Home / 8,528.68-11,775.38-5,343.30

Finding the Fourth Proportional to 8,528.68, 11,775.38 and 5,343.30

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Solution

The fourth proportional to 8,528.68, 11,775.38 and 5,343.30 is: 7,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.68 : 11,775.38 = 5,343.30 : x
  2. Step 2: Convert to fraction form
    8,528.68/11,775.38 = 5,343.30/x
  3. Step 3: Cross multiply
    8,528.68x = 11,775.38 × 5,343.30
  4. Step 4: Simplify right side
    8,528.68x = 62,919,387.95
  5. Step 5: Solve for x
    x = 62,919,387.95/8,528.68
  6. Step 6: Final answer
    x = 7,377.39

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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.