Home / 9,246.50-12,759.28-5,471.09

Finding the Fourth Proportional to 9,246.50, 12,759.28 and 5,471.09

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Solution

The fourth proportional to 9,246.50, 12,759.28 and 5,471.09 is: 7,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,246.50 : 12,759.28 = 5,471.09 : x
  2. Step 2: Convert to fraction form
    9,246.50/12,759.28 = 5,471.09/x
  3. Step 3: Cross multiply
    9,246.50x = 12,759.28 × 5,471.09
  4. Step 4: Simplify right side
    9,246.50x = 69,807,091.74
  5. Step 5: Solve for x
    x = 69,807,091.74/9,246.50
  6. Step 6: Final answer
    x = 7,549.57

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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.