Home / 8,280.11-11,423.76-4,694.68

Finding the Fourth Proportional to 8,280.11, 11,423.76 and 4,694.68

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Solution

The fourth proportional to 8,280.11, 11,423.76 and 4,694.68 is: 6,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.11 : 11,423.76 = 4,694.68 : x
  2. Step 2: Convert to fraction form
    8,280.11/11,423.76 = 4,694.68/x
  3. Step 3: Cross multiply
    8,280.11x = 11,423.76 × 4,694.68
  4. Step 4: Simplify right side
    8,280.11x = 53,630,897.60
  5. Step 5: Solve for x
    x = 53,630,897.60/8,280.11
  6. Step 6: Final answer
    x = 6,477.08

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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.