Home / 7,869.66-10,859.94-4,332.84

Finding the Fourth Proportional to 7,869.66, 10,859.94 and 4,332.84

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Solution

The fourth proportional to 7,869.66, 10,859.94 and 4,332.84 is: 5,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.66 : 10,859.94 = 4,332.84 : x
  2. Step 2: Convert to fraction form
    7,869.66/10,859.94 = 4,332.84/x
  3. Step 3: Cross multiply
    7,869.66x = 10,859.94 × 4,332.84
  4. Step 4: Simplify right side
    7,869.66x = 47,054,382.43
  5. Step 5: Solve for x
    x = 47,054,382.43/7,869.66
  6. Step 6: Final answer
    x = 5,979.21

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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.