Home / 4,747.32-7,124.60-3,103.40

Finding the Fourth Proportional to 4,747.32, 7,124.60 and 3,103.40

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Solution

The fourth proportional to 4,747.32, 7,124.60 and 3,103.40 is: 4,657.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.32 : 7,124.60 = 3,103.40 : x
  2. Step 2: Convert to fraction form
    4,747.32/7,124.60 = 3,103.40/x
  3. Step 3: Cross multiply
    4,747.32x = 7,124.60 × 3,103.40
  4. Step 4: Simplify right side
    4,747.32x = 22,110,483.64
  5. Step 5: Solve for x
    x = 22,110,483.64/4,747.32
  6. Step 6: Final answer
    x = 4,657.47

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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.