Home / 7,925.28-10,936.98-4,780.86

Finding the Fourth Proportional to 7,925.28, 10,936.98 and 4,780.86

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Solution

The fourth proportional to 7,925.28, 10,936.98 and 4,780.86 is: 6,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.28 : 10,936.98 = 4,780.86 : x
  2. Step 2: Convert to fraction form
    7,925.28/10,936.98 = 4,780.86/x
  3. Step 3: Cross multiply
    7,925.28x = 10,936.98 × 4,780.86
  4. Step 4: Simplify right side
    7,925.28x = 52,288,170.20
  5. Step 5: Solve for x
    x = 52,288,170.20/7,925.28
  6. Step 6: Final answer
    x = 6,597.64

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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.