Home / 5,019.75-7,529.76-1,557

Finding the Fourth Proportional to 5,019.75, 7,529.76 and 1,557

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Solution

The fourth proportional to 5,019.75, 7,529.76 and 1,557 is: 2,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.75 : 7,529.76 = 1,557 : x
  2. Step 2: Convert to fraction form
    5,019.75/7,529.76 = 1,557/x
  3. Step 3: Cross multiply
    5,019.75x = 7,529.76 × 1,557
  4. Step 4: Simplify right side
    5,019.75x = 11,723,836.32
  5. Step 5: Solve for x
    x = 11,723,836.32/5,019.75
  6. Step 6: Final answer
    x = 2,335.54

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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.