Home / 5,426.02-8,140.11-1,728.13

Finding the Fourth Proportional to 5,426.02, 8,140.11 and 1,728.13

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Solution

The fourth proportional to 5,426.02, 8,140.11 and 1,728.13 is: 2,592.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.02 : 8,140.11 = 1,728.13 : x
  2. Step 2: Convert to fraction form
    5,426.02/8,140.11 = 1,728.13/x
  3. Step 3: Cross multiply
    5,426.02x = 8,140.11 × 1,728.13
  4. Step 4: Simplify right side
    5,426.02x = 14,067,168.29
  5. Step 5: Solve for x
    x = 14,067,168.29/5,426.02
  6. Step 6: Final answer
    x = 2,592.54

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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.