Home / 7,853.18-10,838.97-4,665.87

Finding the Fourth Proportional to 7,853.18, 10,838.97 and 4,665.87

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Solution

The fourth proportional to 7,853.18, 10,838.97 and 4,665.87 is: 6,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.18 : 10,838.97 = 4,665.87 : x
  2. Step 2: Convert to fraction form
    7,853.18/10,838.97 = 4,665.87/x
  3. Step 3: Cross multiply
    7,853.18x = 10,838.97 × 4,665.87
  4. Step 4: Simplify right side
    7,853.18x = 50,573,187.46
  5. Step 5: Solve for x
    x = 50,573,187.46/7,853.18
  6. Step 6: Final answer
    x = 6,439.83

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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.