Home / 5,260.48-7,257.84-3,135.04

Finding the Fourth Proportional to 5,260.48, 7,257.84 and 3,135.04

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Solution

The fourth proportional to 5,260.48, 7,257.84 and 3,135.04 is: 4,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.48 : 7,257.84 = 3,135.04 : x
  2. Step 2: Convert to fraction form
    5,260.48/7,257.84 = 3,135.04/x
  3. Step 3: Cross multiply
    5,260.48x = 7,257.84 × 3,135.04
  4. Step 4: Simplify right side
    5,260.48x = 22,753,618.71
  5. Step 5: Solve for x
    x = 22,753,618.71/5,260.48
  6. Step 6: Final answer
    x = 4,325.39

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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.