Home / 5,325.33-7,989.56-1,577.20

Finding the Fourth Proportional to 5,325.33, 7,989.56 and 1,577.20

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Solution

The fourth proportional to 5,325.33, 7,989.56 and 1,577.20 is: 2,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.33 : 7,989.56 = 1,577.20 : x
  2. Step 2: Convert to fraction form
    5,325.33/7,989.56 = 1,577.20/x
  3. Step 3: Cross multiply
    5,325.33x = 7,989.56 × 1,577.20
  4. Step 4: Simplify right side
    5,325.33x = 12,601,134.03
  5. Step 5: Solve for x
    x = 12,601,134.03/5,325.33
  6. Step 6: Final answer
    x = 2,366.26

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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.