Home / 6,962.72-10,445.28-3,678.56

Finding the Fourth Proportional to 6,962.72, 10,445.28 and 3,678.56

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Solution

The fourth proportional to 6,962.72, 10,445.28 and 3,678.56 is: 5,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,962.72 : 10,445.28 = 3,678.56 : x
  2. Step 2: Convert to fraction form
    6,962.72/10,445.28 = 3,678.56/x
  3. Step 3: Cross multiply
    6,962.72x = 10,445.28 × 3,678.56
  4. Step 4: Simplify right side
    6,962.72x = 38,423,589.20
  5. Step 5: Solve for x
    x = 38,423,589.20/6,962.72
  6. Step 6: Final answer
    x = 5,518.47

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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.