Home / 9,580.20-13,220.64-5,600.52

Finding the Fourth Proportional to 9,580.20, 13,220.64 and 5,600.52

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Solution

The fourth proportional to 9,580.20, 13,220.64 and 5,600.52 is: 7,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.20 : 13,220.64 = 5,600.52 : x
  2. Step 2: Convert to fraction form
    9,580.20/13,220.64 = 5,600.52/x
  3. Step 3: Cross multiply
    9,580.20x = 13,220.64 × 5,600.52
  4. Step 4: Simplify right side
    9,580.20x = 74,042,458.73
  5. Step 5: Solve for x
    x = 74,042,458.73/9,580.20
  6. Step 6: Final answer
    x = 7,728.70

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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.