Home / 5,008.23-7,512.86-1,720.90

Finding the Fourth Proportional to 5,008.23, 7,512.86 and 1,720.90

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Solution

The fourth proportional to 5,008.23, 7,512.86 and 1,720.90 is: 2,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.23 : 7,512.86 = 1,720.90 : x
  2. Step 2: Convert to fraction form
    5,008.23/7,512.86 = 1,720.90/x
  3. Step 3: Cross multiply
    5,008.23x = 7,512.86 × 1,720.90
  4. Step 4: Simplify right side
    5,008.23x = 12,928,853.39
  5. Step 5: Solve for x
    x = 12,928,853.39/5,008.23
  6. Step 6: Final answer
    x = 2,581.52

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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.