Home / 8,329.71-11,490.45-5,342.22

Finding the Fourth Proportional to 8,329.71, 11,490.45 and 5,342.22

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Solution

The fourth proportional to 8,329.71, 11,490.45 and 5,342.22 is: 7,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.71 : 11,490.45 = 5,342.22 : x
  2. Step 2: Convert to fraction form
    8,329.71/11,490.45 = 5,342.22/x
  3. Step 3: Cross multiply
    8,329.71x = 11,490.45 × 5,342.22
  4. Step 4: Simplify right side
    8,329.71x = 61,384,511.80
  5. Step 5: Solve for x
    x = 61,384,511.80/8,329.71
  6. Step 6: Final answer
    x = 7,369.35

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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.