Home / 8,277.60-11,423.06-4,740.80

Finding the Fourth Proportional to 8,277.60, 11,423.06 and 4,740.80

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Solution

The fourth proportional to 8,277.60, 11,423.06 and 4,740.80 is: 6,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.60 : 11,423.06 = 4,740.80 : x
  2. Step 2: Convert to fraction form
    8,277.60/11,423.06 = 4,740.80/x
  3. Step 3: Cross multiply
    8,277.60x = 11,423.06 × 4,740.80
  4. Step 4: Simplify right side
    8,277.60x = 54,154,442.85
  5. Step 5: Solve for x
    x = 54,154,442.85/8,277.60
  6. Step 6: Final answer
    x = 6,542.29

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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.