Home / 7,252.32-10,008.72-4,108.80

Finding the Fourth Proportional to 7,252.32, 10,008.72 and 4,108.80

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Solution

The fourth proportional to 7,252.32, 10,008.72 and 4,108.80 is: 5,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,252.32 : 10,008.72 = 4,108.80 : x
  2. Step 2: Convert to fraction form
    7,252.32/10,008.72 = 4,108.80/x
  3. Step 3: Cross multiply
    7,252.32x = 10,008.72 × 4,108.80
  4. Step 4: Simplify right side
    7,252.32x = 41,123,828.74
  5. Step 5: Solve for x
    x = 41,123,828.74/7,252.32
  6. Step 6: Final answer
    x = 5,670.44

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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.