Home / 6,875.89-9,487.91-3,851.17

Finding the Fourth Proportional to 6,875.89, 9,487.91 and 3,851.17

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Solution

The fourth proportional to 6,875.89, 9,487.91 and 3,851.17 is: 5,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.89 : 9,487.91 = 3,851.17 : x
  2. Step 2: Convert to fraction form
    6,875.89/9,487.91 = 3,851.17/x
  3. Step 3: Cross multiply
    6,875.89x = 9,487.91 × 3,851.17
  4. Step 4: Simplify right side
    6,875.89x = 36,539,543.93
  5. Step 5: Solve for x
    x = 36,539,543.93/6,875.89
  6. Step 6: Final answer
    x = 5,314.15

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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.