Home / 4,805.28-7,160.15-4,281.25

Finding the Fourth Proportional to 4,805.28, 7,160.15 and 4,281.25

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Solution

The fourth proportional to 4,805.28, 7,160.15 and 4,281.25 is: 6,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.28 : 7,160.15 = 4,281.25 : x
  2. Step 2: Convert to fraction form
    4,805.28/7,160.15 = 4,281.25/x
  3. Step 3: Cross multiply
    4,805.28x = 7,160.15 × 4,281.25
  4. Step 4: Simplify right side
    4,805.28x = 30,654,370.78
  5. Step 5: Solve for x
    x = 30,654,370.78/4,805.28
  6. Step 6: Final answer
    x = 6,379.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.