Home / 8,278.67-11,427.24-5,302.52

Finding the Fourth Proportional to 8,278.67, 11,427.24 and 5,302.52

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Solution

The fourth proportional to 8,278.67, 11,427.24 and 5,302.52 is: 7,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.67 : 11,427.24 = 5,302.52 : x
  2. Step 2: Convert to fraction form
    8,278.67/11,427.24 = 5,302.52/x
  3. Step 3: Cross multiply
    8,278.67x = 11,427.24 × 5,302.52
  4. Step 4: Simplify right side
    8,278.67x = 60,593,168.64
  5. Step 5: Solve for x
    x = 60,593,168.64/8,278.67
  6. Step 6: Final answer
    x = 7,319.19

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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.