Home / 8,901.65-12,284.26-5,123.44

Finding the Fourth Proportional to 8,901.65, 12,284.26 and 5,123.44

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Solution

The fourth proportional to 8,901.65, 12,284.26 and 5,123.44 is: 7,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.65 : 12,284.26 = 5,123.44 : x
  2. Step 2: Convert to fraction form
    8,901.65/12,284.26 = 5,123.44/x
  3. Step 3: Cross multiply
    8,901.65x = 12,284.26 × 5,123.44
  4. Step 4: Simplify right side
    8,901.65x = 62,937,625.54
  5. Step 5: Solve for x
    x = 62,937,625.54/8,901.65
  6. Step 6: Final answer
    x = 7,070.33

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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.