Home / 9,580.55-13,220.84-5,387.99

Finding the Fourth Proportional to 9,580.55, 13,220.84 and 5,387.99

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Solution

The fourth proportional to 9,580.55, 13,220.84 and 5,387.99 is: 7,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.55 : 13,220.84 = 5,387.99 : x
  2. Step 2: Convert to fraction form
    9,580.55/13,220.84 = 5,387.99/x
  3. Step 3: Cross multiply
    9,580.55x = 13,220.84 × 5,387.99
  4. Step 4: Simplify right side
    9,580.55x = 71,233,726.77
  5. Step 5: Solve for x
    x = 71,233,726.77/9,580.55
  6. Step 6: Final answer
    x = 7,435.24

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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.