Home / 9,580.82-13,220.01-5,331.15

Finding the Fourth Proportional to 9,580.82, 13,220.01 and 5,331.15

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Solution

The fourth proportional to 9,580.82, 13,220.01 and 5,331.15 is: 7,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.82 : 13,220.01 = 5,331.15 : x
  2. Step 2: Convert to fraction form
    9,580.82/13,220.01 = 5,331.15/x
  3. Step 3: Cross multiply
    9,580.82x = 13,220.01 × 5,331.15
  4. Step 4: Simplify right side
    9,580.82x = 70,477,856.31
  5. Step 5: Solve for x
    x = 70,477,856.31/9,580.82
  6. Step 6: Final answer
    x = 7,356.14

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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.