Home / 4,093.16-6,140.28-1,318.92

Finding the Fourth Proportional to 4,093.16, 6,140.28 and 1,318.92

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Solution

The fourth proportional to 4,093.16, 6,140.28 and 1,318.92 is: 1,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.16 : 6,140.28 = 1,318.92 : x
  2. Step 2: Convert to fraction form
    4,093.16/6,140.28 = 1,318.92/x
  3. Step 3: Cross multiply
    4,093.16x = 6,140.28 × 1,318.92
  4. Step 4: Simplify right side
    4,093.16x = 8,098,538.10
  5. Step 5: Solve for x
    x = 8,098,538.10/4,093.16
  6. Step 6: Final answer
    x = 1,978.55

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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.