Home / 9,480.18-13,082.90-5,231.30

Finding the Fourth Proportional to 9,480.18, 13,082.90 and 5,231.30

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Solution

The fourth proportional to 9,480.18, 13,082.90 and 5,231.30 is: 7,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.18 : 13,082.90 = 5,231.30 : x
  2. Step 2: Convert to fraction form
    9,480.18/13,082.90 = 5,231.30/x
  3. Step 3: Cross multiply
    9,480.18x = 13,082.90 × 5,231.30
  4. Step 4: Simplify right side
    9,480.18x = 68,440,483.20
  5. Step 5: Solve for x
    x = 68,440,483.20/9,480.18
  6. Step 6: Final answer
    x = 7,219.32

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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.