Home / 7,854.13-10,838.72-4,496.99

Finding the Fourth Proportional to 7,854.13, 10,838.72 and 4,496.99

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Solution

The fourth proportional to 7,854.13, 10,838.72 and 4,496.99 is: 6,205.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.13 : 10,838.72 = 4,496.99 : x
  2. Step 2: Convert to fraction form
    7,854.13/10,838.72 = 4,496.99/x
  3. Step 3: Cross multiply
    7,854.13x = 10,838.72 × 4,496.99
  4. Step 4: Simplify right side
    7,854.13x = 48,741,592.97
  5. Step 5: Solve for x
    x = 48,741,592.97/7,854.13
  6. Step 6: Final answer
    x = 6,205.86

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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.