Home / 7,923.92-10,935.05-4,387.19

Finding the Fourth Proportional to 7,923.92, 10,935.05 and 4,387.19

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Solution

The fourth proportional to 7,923.92, 10,935.05 and 4,387.19 is: 6,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.92 : 10,935.05 = 4,387.19 : x
  2. Step 2: Convert to fraction form
    7,923.92/10,935.05 = 4,387.19/x
  3. Step 3: Cross multiply
    7,923.92x = 10,935.05 × 4,387.19
  4. Step 4: Simplify right side
    7,923.92x = 47,974,065.40
  5. Step 5: Solve for x
    x = 47,974,065.40/7,923.92
  6. Step 6: Final answer
    x = 6,054.34

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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.