Home / 5,257.32-7,255.08-2,899.50

Finding the Fourth Proportional to 5,257.32, 7,255.08 and 2,899.50

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Solution

The fourth proportional to 5,257.32, 7,255.08 and 2,899.50 is: 4,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.32 : 7,255.08 = 2,899.50 : x
  2. Step 2: Convert to fraction form
    5,257.32/7,255.08 = 2,899.50/x
  3. Step 3: Cross multiply
    5,257.32x = 7,255.08 × 2,899.50
  4. Step 4: Simplify right side
    5,257.32x = 21,036,104.46
  5. Step 5: Solve for x
    x = 21,036,104.46/5,257.32
  6. Step 6: Final answer
    x = 4,001.30

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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.