Home / 7,427.46-10,248.09-4,115.46

Finding the Fourth Proportional to 7,427.46, 10,248.09 and 4,115.46

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Solution

The fourth proportional to 7,427.46, 10,248.09 and 4,115.46 is: 5,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.46 : 10,248.09 = 4,115.46 : x
  2. Step 2: Convert to fraction form
    7,427.46/10,248.09 = 4,115.46/x
  3. Step 3: Cross multiply
    7,427.46x = 10,248.09 × 4,115.46
  4. Step 4: Simplify right side
    7,427.46x = 42,175,604.47
  5. Step 5: Solve for x
    x = 42,175,604.47/7,427.46
  6. Step 6: Final answer
    x = 5,678.33

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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.