Home / 8,645.48-11,925.96-5,666.12

Finding the Fourth Proportional to 8,645.48, 11,925.96 and 5,666.12

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Solution

The fourth proportional to 8,645.48, 11,925.96 and 5,666.12 is: 7,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.48 : 11,925.96 = 5,666.12 : x
  2. Step 2: Convert to fraction form
    8,645.48/11,925.96 = 5,666.12/x
  3. Step 3: Cross multiply
    8,645.48x = 11,925.96 × 5,666.12
  4. Step 4: Simplify right side
    8,645.48x = 67,573,920.48
  5. Step 5: Solve for x
    x = 67,573,920.48/8,645.48
  6. Step 6: Final answer
    x = 7,816.10

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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.