Home / 5,257.48-7,886.64-1,747.36

Finding the Fourth Proportional to 5,257.48, 7,886.64 and 1,747.36

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Solution

The fourth proportional to 5,257.48, 7,886.64 and 1,747.36 is: 2,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.48 : 7,886.64 = 1,747.36 : x
  2. Step 2: Convert to fraction form
    5,257.48/7,886.64 = 1,747.36/x
  3. Step 3: Cross multiply
    5,257.48x = 7,886.64 × 1,747.36
  4. Step 4: Simplify right side
    5,257.48x = 13,780,799.27
  5. Step 5: Solve for x
    x = 13,780,799.27/5,257.48
  6. Step 6: Final answer
    x = 2,621.18

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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.