Home / 5,257.13-7,254.88-2,899.33

Finding the Fourth Proportional to 5,257.13, 7,254.88 and 2,899.33

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Solution

The fourth proportional to 5,257.13, 7,254.88 and 2,899.33 is: 4,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.13 : 7,254.88 = 2,899.33 : x
  2. Step 2: Convert to fraction form
    5,257.13/7,254.88 = 2,899.33/x
  3. Step 3: Cross multiply
    5,257.13x = 7,254.88 × 2,899.33
  4. Step 4: Simplify right side
    5,257.13x = 21,034,265.84
  5. Step 5: Solve for x
    x = 21,034,265.84/5,257.13
  6. Step 6: Final answer
    x = 4,001.10

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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.