Home / 4,235.95-5,840.87-3,117.54

Finding the Fourth Proportional to 4,235.95, 5,840.87 and 3,117.54

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Solution

The fourth proportional to 4,235.95, 5,840.87 and 3,117.54 is: 4,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.95 : 5,840.87 = 3,117.54 : x
  2. Step 2: Convert to fraction form
    4,235.95/5,840.87 = 3,117.54/x
  3. Step 3: Cross multiply
    4,235.95x = 5,840.87 × 3,117.54
  4. Step 4: Simplify right side
    4,235.95x = 18,209,145.86
  5. Step 5: Solve for x
    x = 18,209,145.86/4,235.95
  6. Step 6: Final answer
    x = 4,298.72

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.