Home / 5,006.20-7,509.30-1,543.48

Finding the Fourth Proportional to 5,006.20, 7,509.30 and 1,543.48

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Solution

The fourth proportional to 5,006.20, 7,509.30 and 1,543.48 is: 2,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.20 : 7,509.30 = 1,543.48 : x
  2. Step 2: Convert to fraction form
    5,006.20/7,509.30 = 1,543.48/x
  3. Step 3: Cross multiply
    5,006.20x = 7,509.30 × 1,543.48
  4. Step 4: Simplify right side
    5,006.20x = 11,590,454.36
  5. Step 5: Solve for x
    x = 11,590,454.36/5,006.20
  6. Step 6: Final answer
    x = 2,315.22

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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.