Home / 7,864.17-10,846.41-4,878.33

Finding the Fourth Proportional to 7,864.17, 10,846.41 and 4,878.33

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Solution

The fourth proportional to 7,864.17, 10,846.41 and 4,878.33 is: 6,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.17 : 10,846.41 = 4,878.33 : x
  2. Step 2: Convert to fraction form
    7,864.17/10,846.41 = 4,878.33/x
  3. Step 3: Cross multiply
    7,864.17x = 10,846.41 × 4,878.33
  4. Step 4: Simplify right side
    7,864.17x = 52,912,367.30
  5. Step 5: Solve for x
    x = 52,912,367.30/7,864.17
  6. Step 6: Final answer
    x = 6,728.28

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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.