Home / 5,073.60-7,607.70-2,148.60

Finding the Fourth Proportional to 5,073.60, 7,607.70 and 2,148.60

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Solution

The fourth proportional to 5,073.60, 7,607.70 and 2,148.60 is: 3,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,073.60 : 7,607.70 = 2,148.60 : x
  2. Step 2: Convert to fraction form
    5,073.60/7,607.70 = 2,148.60/x
  3. Step 3: Cross multiply
    5,073.60x = 7,607.70 × 2,148.60
  4. Step 4: Simplify right side
    5,073.60x = 16,345,904.22
  5. Step 5: Solve for x
    x = 16,345,904.22/5,073.60
  6. Step 6: Final answer
    x = 3,221.76

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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.