Home / 9,580.28-13,220.70-5,388.44

Finding the Fourth Proportional to 9,580.28, 13,220.70 and 5,388.44

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Solution

The fourth proportional to 9,580.28, 13,220.70 and 5,388.44 is: 7,436.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.28 : 13,220.70 = 5,388.44 : x
  2. Step 2: Convert to fraction form
    9,580.28/13,220.70 = 5,388.44/x
  3. Step 3: Cross multiply
    9,580.28x = 13,220.70 × 5,388.44
  4. Step 4: Simplify right side
    9,580.28x = 71,238,948.71
  5. Step 5: Solve for x
    x = 71,238,948.71/9,580.28
  6. Step 6: Final answer
    x = 7,436.00

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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.