Home / 7,197.20-9,931.80-4,838.96

Finding the Fourth Proportional to 7,197.20, 9,931.80 and 4,838.96

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Solution

The fourth proportional to 7,197.20, 9,931.80 and 4,838.96 is: 6,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.20 : 9,931.80 = 4,838.96 : x
  2. Step 2: Convert to fraction form
    7,197.20/9,931.80 = 4,838.96/x
  3. Step 3: Cross multiply
    7,197.20x = 9,931.80 × 4,838.96
  4. Step 4: Simplify right side
    7,197.20x = 48,059,582.93
  5. Step 5: Solve for x
    x = 48,059,582.93/7,197.20
  6. Step 6: Final answer
    x = 6,677.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.