Home / 7,895.46-10,838.49-7,821.66

Finding the Fourth Proportional to 7,895.46, 10,838.49 and 7,821.66

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Solution

The fourth proportional to 7,895.46, 10,838.49 and 7,821.66 is: 10,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.46 : 10,838.49 = 7,821.66 : x
  2. Step 2: Convert to fraction form
    7,895.46/10,838.49 = 7,821.66/x
  3. Step 3: Cross multiply
    7,895.46x = 10,838.49 × 7,821.66
  4. Step 4: Simplify right side
    7,895.46x = 84,774,983.69
  5. Step 5: Solve for x
    x = 84,774,983.69/7,895.46
  6. Step 6: Final answer
    x = 10,737.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.