Home / 5,345.28-8,013.60-2,746.80

Finding the Fourth Proportional to 5,345.28, 8,013.60 and 2,746.80

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Solution

The fourth proportional to 5,345.28, 8,013.60 and 2,746.80 is: 4,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.28 : 8,013.60 = 2,746.80 : x
  2. Step 2: Convert to fraction form
    5,345.28/8,013.60 = 2,746.80/x
  3. Step 3: Cross multiply
    5,345.28x = 8,013.60 × 2,746.80
  4. Step 4: Simplify right side
    5,345.28x = 22,011,756.48
  5. Step 5: Solve for x
    x = 22,011,756.48/5,345.28
  6. Step 6: Final answer
    x = 4,117.98

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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.