Home / 7,923.88-10,934.85-4,780.06

Finding the Fourth Proportional to 7,923.88, 10,934.85 and 4,780.06

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Solution

The fourth proportional to 7,923.88, 10,934.85 and 4,780.06 is: 6,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.88 : 10,934.85 = 4,780.06 : x
  2. Step 2: Convert to fraction form
    7,923.88/10,934.85 = 4,780.06/x
  3. Step 3: Cross multiply
    7,923.88x = 10,934.85 × 4,780.06
  4. Step 4: Simplify right side
    7,923.88x = 52,269,264.30
  5. Step 5: Solve for x
    x = 52,269,264.30/7,923.88
  6. Step 6: Final answer
    x = 6,596.43

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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.