Home / 6,691.18-9,223.50-5,510.20

Finding the Fourth Proportional to 6,691.18, 9,223.50 and 5,510.20

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Solution

The fourth proportional to 6,691.18, 9,223.50 and 5,510.20 is: 7,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.18 : 9,223.50 = 5,510.20 : x
  2. Step 2: Convert to fraction form
    6,691.18/9,223.50 = 5,510.20/x
  3. Step 3: Cross multiply
    6,691.18x = 9,223.50 × 5,510.20
  4. Step 4: Simplify right side
    6,691.18x = 50,823,329.70
  5. Step 5: Solve for x
    x = 50,823,329.70/6,691.18
  6. Step 6: Final answer
    x = 7,595.57

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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.