Home / 5,020.64-7,530.88-1,557.88

Finding the Fourth Proportional to 5,020.64, 7,530.88 and 1,557.88

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Solution

The fourth proportional to 5,020.64, 7,530.88 and 1,557.88 is: 2,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.64 : 7,530.88 = 1,557.88 : x
  2. Step 2: Convert to fraction form
    5,020.64/7,530.88 = 1,557.88/x
  3. Step 3: Cross multiply
    5,020.64x = 7,530.88 × 1,557.88
  4. Step 4: Simplify right side
    5,020.64x = 11,732,207.33
  5. Step 5: Solve for x
    x = 11,732,207.33/5,020.64
  6. Step 6: Final answer
    x = 2,336.80

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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.