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Finding the Fourth Proportional to 8,666.04, 11,959.14 and 4,687.19

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Solution

The fourth proportional to 8,666.04, 11,959.14 and 4,687.19 is: 6,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.04 : 11,959.14 = 4,687.19 : x
  2. Step 2: Convert to fraction form
    8,666.04/11,959.14 = 4,687.19/x
  3. Step 3: Cross multiply
    8,666.04x = 11,959.14 × 4,687.19
  4. Step 4: Simplify right side
    8,666.04x = 56,054,701.62
  5. Step 5: Solve for x
    x = 56,054,701.62/8,666.04
  6. Step 6: Final answer
    x = 6,468.32

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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.