Home / 8,901.66-12,283.44-5,123.82

Finding the Fourth Proportional to 8,901.66, 12,283.44 and 5,123.82

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Solution

The fourth proportional to 8,901.66, 12,283.44 and 5,123.82 is: 7,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.66 : 12,283.44 = 5,123.82 : x
  2. Step 2: Convert to fraction form
    8,901.66/12,283.44 = 5,123.82/x
  3. Step 3: Cross multiply
    8,901.66x = 12,283.44 × 5,123.82
  4. Step 4: Simplify right side
    8,901.66x = 62,938,135.54
  5. Step 5: Solve for x
    x = 62,938,135.54/8,901.66
  6. Step 6: Final answer
    x = 7,070.38

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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.