Home / 9,074.38-12,517.22-5,711.36

Finding the Fourth Proportional to 9,074.38, 12,517.22 and 5,711.36

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Solution

The fourth proportional to 9,074.38, 12,517.22 and 5,711.36 is: 7,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.38 : 12,517.22 = 5,711.36 : x
  2. Step 2: Convert to fraction form
    9,074.38/12,517.22 = 5,711.36/x
  3. Step 3: Cross multiply
    9,074.38x = 12,517.22 × 5,711.36
  4. Step 4: Simplify right side
    9,074.38x = 71,490,258.48
  5. Step 5: Solve for x
    x = 71,490,258.48/9,074.38
  6. Step 6: Final answer
    x = 7,878.25

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Half scale
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Double scale
Find fourth proportional to 9,075.38, 12,518.59 and 5,712.36
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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.