Home / 6,358.11-8,777.49-4,938.62

Finding the Fourth Proportional to 6,358.11, 8,777.49 and 4,938.62

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Solution

The fourth proportional to 6,358.11, 8,777.49 and 4,938.62 is: 6,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.11 : 8,777.49 = 4,938.62 : x
  2. Step 2: Convert to fraction form
    6,358.11/8,777.49 = 4,938.62/x
  3. Step 3: Cross multiply
    6,358.11x = 8,777.49 × 4,938.62
  4. Step 4: Simplify right side
    6,358.11x = 43,348,643.78
  5. Step 5: Solve for x
    x = 43,348,643.78/6,358.11
  6. Step 6: Final answer
    x = 6,817.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.