Home / 8,666.12-13,000.77-2,744.49

Finding the Fourth Proportional to 8,666.12, 13,000.77 and 2,744.49

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Solution

The fourth proportional to 8,666.12, 13,000.77 and 2,744.49 is: 4,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.12 : 13,000.77 = 2,744.49 : x
  2. Step 2: Convert to fraction form
    8,666.12/13,000.77 = 2,744.49/x
  3. Step 3: Cross multiply
    8,666.12x = 13,000.77 × 2,744.49
  4. Step 4: Simplify right side
    8,666.12x = 35,680,483.26
  5. Step 5: Solve for x
    x = 35,680,483.26/8,666.12
  6. Step 6: Final answer
    x = 4,117.24

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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.