Home / 7,924.38-10,936.02-4,780.50

Finding the Fourth Proportional to 7,924.38, 10,936.02 and 4,780.50

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Solution

The fourth proportional to 7,924.38, 10,936.02 and 4,780.50 is: 6,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.38 : 10,936.02 = 4,780.50 : x
  2. Step 2: Convert to fraction form
    7,924.38/10,936.02 = 4,780.50/x
  3. Step 3: Cross multiply
    7,924.38x = 10,936.02 × 4,780.50
  4. Step 4: Simplify right side
    7,924.38x = 52,279,643.61
  5. Step 5: Solve for x
    x = 52,279,643.61/7,924.38
  6. Step 6: Final answer
    x = 6,597.32

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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.