Home / 6,656.12-9,184.78-3,930.23

Finding the Fourth Proportional to 6,656.12, 9,184.78 and 3,930.23

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Solution

The fourth proportional to 6,656.12, 9,184.78 and 3,930.23 is: 5,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.12 : 9,184.78 = 3,930.23 : x
  2. Step 2: Convert to fraction form
    6,656.12/9,184.78 = 3,930.23/x
  3. Step 3: Cross multiply
    6,656.12x = 9,184.78 × 3,930.23
  4. Step 4: Simplify right side
    6,656.12x = 36,098,242.15
  5. Step 5: Solve for x
    x = 36,098,242.15/6,656.12
  6. Step 6: Final answer
    x = 5,423.32

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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.