Home / 7,923.66-10,934.66-4,387.40

Finding the Fourth Proportional to 7,923.66, 10,934.66 and 4,387.40

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Solution

The fourth proportional to 7,923.66, 10,934.66 and 4,387.40 is: 6,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.66 : 10,934.66 = 4,387.40 : x
  2. Step 2: Convert to fraction form
    7,923.66/10,934.66 = 4,387.40/x
  3. Step 3: Cross multiply
    7,923.66x = 10,934.66 × 4,387.40
  4. Step 4: Simplify right side
    7,923.66x = 47,974,724.58
  5. Step 5: Solve for x
    x = 47,974,724.58/7,923.66
  6. Step 6: Final answer
    x = 6,054.62

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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.