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Finding the Fourth Proportional to 4,158.02, 6,237.02 and 1,235.94

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Solution

The fourth proportional to 4,158.02, 6,237.02 and 1,235.94 is: 1,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.02 : 6,237.02 = 1,235.94 : x
  2. Step 2: Convert to fraction form
    4,158.02/6,237.02 = 1,235.94/x
  3. Step 3: Cross multiply
    4,158.02x = 6,237.02 × 1,235.94
  4. Step 4: Simplify right side
    4,158.02x = 7,708,582.50
  5. Step 5: Solve for x
    x = 7,708,582.50/4,158.02
  6. Step 6: Final answer
    x = 1,853.91

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Half scale
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Double scale
Find fourth proportional to 4,159.02, 6,238.52 and 1,236.94
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.