Home / 4,721.02-7,080.11-1,557.87

Finding the Fourth Proportional to 4,721.02, 7,080.11 and 1,557.87

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Solution

The fourth proportional to 4,721.02, 7,080.11 and 1,557.87 is: 2,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.02 : 7,080.11 = 1,557.87 : x
  2. Step 2: Convert to fraction form
    4,721.02/7,080.11 = 1,557.87/x
  3. Step 3: Cross multiply
    4,721.02x = 7,080.11 × 1,557.87
  4. Step 4: Simplify right side
    4,721.02x = 11,029,890.97
  5. Step 5: Solve for x
    x = 11,029,890.97/4,721.02
  6. Step 6: Final answer
    x = 2,336.34

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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.