Home / 7,364.18-10,162.56-4,220.38

Finding the Fourth Proportional to 7,364.18, 10,162.56 and 4,220.38

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Solution

The fourth proportional to 7,364.18, 10,162.56 and 4,220.38 is: 5,824.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.18 : 10,162.56 = 4,220.38 : x
  2. Step 2: Convert to fraction form
    7,364.18/10,162.56 = 4,220.38/x
  3. Step 3: Cross multiply
    7,364.18x = 10,162.56 × 4,220.38
  4. Step 4: Simplify right side
    7,364.18x = 42,889,864.97
  5. Step 5: Solve for x
    x = 42,889,864.97/7,364.18
  6. Step 6: Final answer
    x = 5,824.12

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Half scale
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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.