Home / 5,518.47-8,275.01-2,746.72

Finding the Fourth Proportional to 5,518.47, 8,275.01 and 2,746.72

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Solution

The fourth proportional to 5,518.47, 8,275.01 and 2,746.72 is: 4,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.47 : 8,275.01 = 2,746.72 : x
  2. Step 2: Convert to fraction form
    5,518.47/8,275.01 = 2,746.72/x
  3. Step 3: Cross multiply
    5,518.47x = 8,275.01 × 2,746.72
  4. Step 4: Simplify right side
    5,518.47x = 22,729,132.08
  5. Step 5: Solve for x
    x = 22,729,132.08/5,518.47
  6. Step 6: Final answer
    x = 4,118.74

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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.