Home / 9,277.20-13,883.40-6,490.80

Finding the Fourth Proportional to 9,277.20, 13,883.40 and 6,490.80

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Solution

The fourth proportional to 9,277.20, 13,883.40 and 6,490.80 is: 9,713.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.20 : 13,883.40 = 6,490.80 : x
  2. Step 2: Convert to fraction form
    9,277.20/13,883.40 = 6,490.80/x
  3. Step 3: Cross multiply
    9,277.20x = 13,883.40 × 6,490.80
  4. Step 4: Simplify right side
    9,277.20x = 90,114,372.72
  5. Step 5: Solve for x
    x = 90,114,372.72/9,277.20
  6. Step 6: Final answer
    x = 9,713.53

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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.