Home / 6,387.83-9,577.79-2,688.15

Finding the Fourth Proportional to 6,387.83, 9,577.79 and 2,688.15

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Solution

The fourth proportional to 6,387.83, 9,577.79 and 2,688.15 is: 4,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.83 : 9,577.79 = 2,688.15 : x
  2. Step 2: Convert to fraction form
    6,387.83/9,577.79 = 2,688.15/x
  3. Step 3: Cross multiply
    6,387.83x = 9,577.79 × 2,688.15
  4. Step 4: Simplify right side
    6,387.83x = 25,746,522.75
  5. Step 5: Solve for x
    x = 25,746,522.75/6,387.83
  6. Step 6: Final answer
    x = 4,030.56

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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.