Home / 8,901.54-12,282.57-5,543.28

Finding the Fourth Proportional to 8,901.54, 12,282.57 and 5,543.28

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Solution

The fourth proportional to 8,901.54, 12,282.57 and 5,543.28 is: 7,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.54 : 12,282.57 = 5,543.28 : x
  2. Step 2: Convert to fraction form
    8,901.54/12,282.57 = 5,543.28/x
  3. Step 3: Cross multiply
    8,901.54x = 12,282.57 × 5,543.28
  4. Step 4: Simplify right side
    8,901.54x = 68,085,724.63
  5. Step 5: Solve for x
    x = 68,085,724.63/8,901.54
  6. Step 6: Final answer
    x = 7,648.76

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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.