Home / 8,666.96-12,988.58-4,713.04

Finding the Fourth Proportional to 8,666.96, 12,988.58 and 4,713.04

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Solution

The fourth proportional to 8,666.96, 12,988.58 and 4,713.04 is: 7,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.96 : 12,988.58 = 4,713.04 : x
  2. Step 2: Convert to fraction form
    8,666.96/12,988.58 = 4,713.04/x
  3. Step 3: Cross multiply
    8,666.96x = 12,988.58 × 4,713.04
  4. Step 4: Simplify right side
    8,666.96x = 61,215,641.05
  5. Step 5: Solve for x
    x = 61,215,641.05/8,666.96
  6. Step 6: Final answer
    x = 7,063.11

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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.