Home / 8,666.85-13,001.89-3,473.13

Finding the Fourth Proportional to 8,666.85, 13,001.89 and 3,473.13

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Solution

The fourth proportional to 8,666.85, 13,001.89 and 3,473.13 is: 5,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.85 : 13,001.89 = 3,473.13 : x
  2. Step 2: Convert to fraction form
    8,666.85/13,001.89 = 3,473.13/x
  3. Step 3: Cross multiply
    8,666.85x = 13,001.89 × 3,473.13
  4. Step 4: Simplify right side
    8,666.85x = 45,157,254.22
  5. Step 5: Solve for x
    x = 45,157,254.22/8,666.85
  6. Step 6: Final answer
    x = 5,210.34

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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.