Home / 7,051.20-10,572.48-2,666.88

Finding the Fourth Proportional to 7,051.20, 10,572.48 and 2,666.88

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Solution

The fourth proportional to 7,051.20, 10,572.48 and 2,666.88 is: 3,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.20 : 10,572.48 = 2,666.88 : x
  2. Step 2: Convert to fraction form
    7,051.20/10,572.48 = 2,666.88/x
  3. Step 3: Cross multiply
    7,051.20x = 10,572.48 × 2,666.88
  4. Step 4: Simplify right side
    7,051.20x = 28,195,535.46
  5. Step 5: Solve for x
    x = 28,195,535.46/7,051.20
  6. Step 6: Final answer
    x = 3,998.69

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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.