Home / 5,387.78-8,082.59-2,466.32

Finding the Fourth Proportional to 5,387.78, 8,082.59 and 2,466.32

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Solution

The fourth proportional to 5,387.78, 8,082.59 and 2,466.32 is: 3,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.78 : 8,082.59 = 2,466.32 : x
  2. Step 2: Convert to fraction form
    5,387.78/8,082.59 = 2,466.32/x
  3. Step 3: Cross multiply
    5,387.78x = 8,082.59 × 2,466.32
  4. Step 4: Simplify right side
    5,387.78x = 19,934,200.62
  5. Step 5: Solve for x
    x = 19,934,200.62/5,387.78
  6. Step 6: Final answer
    x = 3,699.89

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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.