Home / 8,329.48-11,489.24-5,340.58

Finding the Fourth Proportional to 8,329.48, 11,489.24 and 5,340.58

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Solution

The fourth proportional to 8,329.48, 11,489.24 and 5,340.58 is: 7,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.48 : 11,489.24 = 5,340.58 : x
  2. Step 2: Convert to fraction form
    8,329.48/11,489.24 = 5,340.58/x
  3. Step 3: Cross multiply
    8,329.48x = 11,489.24 × 5,340.58
  4. Step 4: Simplify right side
    8,329.48x = 61,359,254.61
  5. Step 5: Solve for x
    x = 61,359,254.61/8,329.48
  6. Step 6: Final answer
    x = 7,366.51

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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.