Home / 4,292.04-6,438.06-1,983.24

Finding the Fourth Proportional to 4,292.04, 6,438.06 and 1,983.24

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Solution

The fourth proportional to 4,292.04, 6,438.06 and 1,983.24 is: 2,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.04 : 6,438.06 = 1,983.24 : x
  2. Step 2: Convert to fraction form
    4,292.04/6,438.06 = 1,983.24/x
  3. Step 3: Cross multiply
    4,292.04x = 6,438.06 × 1,983.24
  4. Step 4: Simplify right side
    4,292.04x = 12,768,218.11
  5. Step 5: Solve for x
    x = 12,768,218.11/4,292.04
  6. Step 6: Final answer
    x = 2,974.86

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Double scale
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Similar ratio
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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.