Home / 5,257.13-7,886.40-1,559.41

Finding the Fourth Proportional to 5,257.13, 7,886.40 and 1,559.41

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Solution

The fourth proportional to 5,257.13, 7,886.40 and 1,559.41 is: 2,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.13 : 7,886.40 = 1,559.41 : x
  2. Step 2: Convert to fraction form
    5,257.13/7,886.40 = 1,559.41/x
  3. Step 3: Cross multiply
    5,257.13x = 7,886.40 × 1,559.41
  4. Step 4: Simplify right side
    5,257.13x = 12,298,131.02
  5. Step 5: Solve for x
    x = 12,298,131.02/5,257.13
  6. Step 6: Final answer
    x = 2,339.32

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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.