Home / 8,364.38-11,544.47-5,531.91

Finding the Fourth Proportional to 8,364.38, 11,544.47 and 5,531.91

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Solution

The fourth proportional to 8,364.38, 11,544.47 and 5,531.91 is: 7,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.38 : 11,544.47 = 5,531.91 : x
  2. Step 2: Convert to fraction form
    8,364.38/11,544.47 = 5,531.91/x
  3. Step 3: Cross multiply
    8,364.38x = 11,544.47 × 5,531.91
  4. Step 4: Simplify right side
    8,364.38x = 63,862,941.38
  5. Step 5: Solve for x
    x = 63,862,941.38/8,364.38
  6. Step 6: Final answer
    x = 7,635.11

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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.