Home / 6,689.52-10,011.18-5,370.13

Finding the Fourth Proportional to 6,689.52, 10,011.18 and 5,370.13

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Solution

The fourth proportional to 6,689.52, 10,011.18 and 5,370.13 is: 8,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.52 : 10,011.18 = 5,370.13 : x
  2. Step 2: Convert to fraction form
    6,689.52/10,011.18 = 5,370.13/x
  3. Step 3: Cross multiply
    6,689.52x = 10,011.18 × 5,370.13
  4. Step 4: Simplify right side
    6,689.52x = 53,761,340.50
  5. Step 5: Solve for x
    x = 53,761,340.50/6,689.52
  6. Step 6: Final answer
    x = 8,036.65

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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.