Home / 5,281.34-7,279.08-4,571.78

Finding the Fourth Proportional to 5,281.34, 7,279.08 and 4,571.78

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Solution

The fourth proportional to 5,281.34, 7,279.08 and 4,571.78 is: 6,301.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.34 : 7,279.08 = 4,571.78 : x
  2. Step 2: Convert to fraction form
    5,281.34/7,279.08 = 4,571.78/x
  3. Step 3: Cross multiply
    5,281.34x = 7,279.08 × 4,571.78
  4. Step 4: Simplify right side
    5,281.34x = 33,278,352.36
  5. Step 5: Solve for x
    x = 33,278,352.36/5,281.34
  6. Step 6: Final answer
    x = 6,301.12

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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.