Home / 8,330.16-11,500.20-5,681.46

Finding the Fourth Proportional to 8,330.16, 11,500.20 and 5,681.46

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Solution

The fourth proportional to 8,330.16, 11,500.20 and 5,681.46 is: 7,843.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.16 : 11,500.20 = 5,681.46 : x
  2. Step 2: Convert to fraction form
    8,330.16/11,500.20 = 5,681.46/x
  3. Step 3: Cross multiply
    8,330.16x = 11,500.20 × 5,681.46
  4. Step 4: Simplify right side
    8,330.16x = 65,337,926.29
  5. Step 5: Solve for x
    x = 65,337,926.29/8,330.16
  6. Step 6: Final answer
    x = 7,843.54

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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.