Home / 7,038.20-10,560.53-2,655.29

Finding the Fourth Proportional to 7,038.20, 10,560.53 and 2,655.29

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Solution

The fourth proportional to 7,038.20, 10,560.53 and 2,655.29 is: 3,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.20 : 10,560.53 = 2,655.29 : x
  2. Step 2: Convert to fraction form
    7,038.20/10,560.53 = 2,655.29/x
  3. Step 3: Cross multiply
    7,038.20x = 10,560.53 × 2,655.29
  4. Step 4: Simplify right side
    7,038.20x = 28,041,203.62
  5. Step 5: Solve for x
    x = 28,041,203.62/7,038.20
  6. Step 6: Final answer
    x = 3,984.15

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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.