Home / 5,008.12-7,509.02-1,720.92

Finding the Fourth Proportional to 5,008.12, 7,509.02 and 1,720.92

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Solution

The fourth proportional to 5,008.12, 7,509.02 and 1,720.92 is: 2,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.12 : 7,509.02 = 1,720.92 : x
  2. Step 2: Convert to fraction form
    5,008.12/7,509.02 = 1,720.92/x
  3. Step 3: Cross multiply
    5,008.12x = 7,509.02 × 1,720.92
  4. Step 4: Simplify right side
    5,008.12x = 12,922,422.70
  5. Step 5: Solve for x
    x = 12,922,422.70/5,008.12
  6. Step 6: Final answer
    x = 2,580.29

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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.