Home / 6,140.32-8,473.62-3,487.20

Finding the Fourth Proportional to 6,140.32, 8,473.62 and 3,487.20

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Solution

The fourth proportional to 6,140.32, 8,473.62 and 3,487.20 is: 4,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.32 : 8,473.62 = 3,487.20 : x
  2. Step 2: Convert to fraction form
    6,140.32/8,473.62 = 3,487.20/x
  3. Step 3: Cross multiply
    6,140.32x = 8,473.62 × 3,487.20
  4. Step 4: Simplify right side
    6,140.32x = 29,549,207.66
  5. Step 5: Solve for x
    x = 29,549,207.66/6,140.32
  6. Step 6: Final answer
    x = 4,812.32

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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.