Home / 8,387.25-11,572.32-6,712.08

Finding the Fourth Proportional to 8,387.25, 11,572.32 and 6,712.08

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Solution

The fourth proportional to 8,387.25, 11,572.32 and 6,712.08 is: 9,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.25 : 11,572.32 = 6,712.08 : x
  2. Step 2: Convert to fraction form
    8,387.25/11,572.32 = 6,712.08/x
  3. Step 3: Cross multiply
    8,387.25x = 11,572.32 × 6,712.08
  4. Step 4: Simplify right side
    8,387.25x = 77,674,337.63
  5. Step 5: Solve for x
    x = 77,674,337.63/8,387.25
  6. Step 6: Final answer
    x = 9,261.00

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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.