Home / 6,103.60-9,155.40-2,815.72

Finding the Fourth Proportional to 6,103.60, 9,155.40 and 2,815.72

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Solution

The fourth proportional to 6,103.60, 9,155.40 and 2,815.72 is: 4,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.60 : 9,155.40 = 2,815.72 : x
  2. Step 2: Convert to fraction form
    6,103.60/9,155.40 = 2,815.72/x
  3. Step 3: Cross multiply
    6,103.60x = 9,155.40 × 2,815.72
  4. Step 4: Simplify right side
    6,103.60x = 25,779,042.89
  5. Step 5: Solve for x
    x = 25,779,042.89/6,103.60
  6. Step 6: Final answer
    x = 4,223.58

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Similar ratio
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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.