Home / 7,006.20-10,506.42-5,615.16

Finding the Fourth Proportional to 7,006.20, 10,506.42 and 5,615.16

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Solution

The fourth proportional to 7,006.20, 10,506.42 and 5,615.16 is: 8,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.20 : 10,506.42 = 5,615.16 : x
  2. Step 2: Convert to fraction form
    7,006.20/10,506.42 = 5,615.16/x
  3. Step 3: Cross multiply
    7,006.20x = 10,506.42 × 5,615.16
  4. Step 4: Simplify right side
    7,006.20x = 58,995,229.33
  5. Step 5: Solve for x
    x = 58,995,229.33/7,006.20
  6. Step 6: Final answer
    x = 8,420.43

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1.5x scale

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.