Home / 7,864.94-10,853.40-4,462.57

Finding the Fourth Proportional to 7,864.94, 10,853.40 and 4,462.57

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Solution

The fourth proportional to 7,864.94, 10,853.40 and 4,462.57 is: 6,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.94 : 10,853.40 = 4,462.57 : x
  2. Step 2: Convert to fraction form
    7,864.94/10,853.40 = 4,462.57/x
  3. Step 3: Cross multiply
    7,864.94x = 10,853.40 × 4,462.57
  4. Step 4: Simplify right side
    7,864.94x = 48,434,087.54
  5. Step 5: Solve for x
    x = 48,434,087.54/7,864.94
  6. Step 6: Final answer
    x = 6,158.23

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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.