Home / 5,279.16-7,915.48-2,502.06

Finding the Fourth Proportional to 5,279.16, 7,915.48 and 2,502.06

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Solution

The fourth proportional to 5,279.16, 7,915.48 and 2,502.06 is: 3,751.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.16 : 7,915.48 = 2,502.06 : x
  2. Step 2: Convert to fraction form
    5,279.16/7,915.48 = 2,502.06/x
  3. Step 3: Cross multiply
    5,279.16x = 7,915.48 × 2,502.06
  4. Step 4: Simplify right side
    5,279.16x = 19,805,005.89
  5. Step 5: Solve for x
    x = 19,805,005.89/5,279.16
  6. Step 6: Final answer
    x = 3,751.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.