Home / 9,320.28-13,980.60-3,475.72

Finding the Fourth Proportional to 9,320.28, 13,980.60 and 3,475.72

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Solution

The fourth proportional to 9,320.28, 13,980.60 and 3,475.72 is: 5,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.28 : 13,980.60 = 3,475.72 : x
  2. Step 2: Convert to fraction form
    9,320.28/13,980.60 = 3,475.72/x
  3. Step 3: Cross multiply
    9,320.28x = 13,980.60 × 3,475.72
  4. Step 4: Simplify right side
    9,320.28x = 48,592,651.03
  5. Step 5: Solve for x
    x = 48,592,651.03/9,320.28
  6. Step 6: Final answer
    x = 5,213.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.