Home / 9,580.30-13,220.49-5,387.74

Finding the Fourth Proportional to 9,580.30, 13,220.49 and 5,387.74

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Solution

The fourth proportional to 9,580.30, 13,220.49 and 5,387.74 is: 7,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.30 : 13,220.49 = 5,387.74 : x
  2. Step 2: Convert to fraction form
    9,580.30/13,220.49 = 5,387.74/x
  3. Step 3: Cross multiply
    9,580.30x = 13,220.49 × 5,387.74
  4. Step 4: Simplify right side
    9,580.30x = 71,228,562.79
  5. Step 5: Solve for x
    x = 71,228,562.79/9,580.30
  6. Step 6: Final answer
    x = 7,434.90

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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.