Home / 5,019.60-7,527.24-1,557.12

Finding the Fourth Proportional to 5,019.60, 7,527.24 and 1,557.12

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Solution

The fourth proportional to 5,019.60, 7,527.24 and 1,557.12 is: 2,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.60 : 7,527.24 = 1,557.12 : x
  2. Step 2: Convert to fraction form
    5,019.60/7,527.24 = 1,557.12/x
  3. Step 3: Cross multiply
    5,019.60x = 7,527.24 × 1,557.12
  4. Step 4: Simplify right side
    5,019.60x = 11,720,815.95
  5. Step 5: Solve for x
    x = 11,720,815.95/5,019.60
  6. Step 6: Final answer
    x = 2,335.01

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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.