Home / 5,005.20-7,507.97-1,718.27

Finding the Fourth Proportional to 5,005.20, 7,507.97 and 1,718.27

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Solution

The fourth proportional to 5,005.20, 7,507.97 and 1,718.27 is: 2,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.20 : 7,507.97 = 1,718.27 : x
  2. Step 2: Convert to fraction form
    5,005.20/7,507.97 = 1,718.27/x
  3. Step 3: Cross multiply
    5,005.20x = 7,507.97 × 1,718.27
  4. Step 4: Simplify right side
    5,005.20x = 12,900,719.61
  5. Step 5: Solve for x
    x = 12,900,719.61/5,005.20
  6. Step 6: Final answer
    x = 2,577.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.