Home / 9,070.28-12,515.40-5,091.56

Finding the Fourth Proportional to 9,070.28, 12,515.40 and 5,091.56

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Solution

The fourth proportional to 9,070.28, 12,515.40 and 5,091.56 is: 7,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.28 : 12,515.40 = 5,091.56 : x
  2. Step 2: Convert to fraction form
    9,070.28/12,515.40 = 5,091.56/x
  3. Step 3: Cross multiply
    9,070.28x = 12,515.40 × 5,091.56
  4. Step 4: Simplify right side
    9,070.28x = 63,722,910.02
  5. Step 5: Solve for x
    x = 63,722,910.02/9,070.28
  6. Step 6: Final answer
    x = 7,025.46

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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.