Home / 7,078.19-10,618.64-2,398.97

Finding the Fourth Proportional to 7,078.19, 10,618.64 and 2,398.97

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Solution

The fourth proportional to 7,078.19, 10,618.64 and 2,398.97 is: 3,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.19 : 10,618.64 = 2,398.97 : x
  2. Step 2: Convert to fraction form
    7,078.19/10,618.64 = 2,398.97/x
  3. Step 3: Cross multiply
    7,078.19x = 10,618.64 × 2,398.97
  4. Step 4: Simplify right side
    7,078.19x = 25,473,776.11
  5. Step 5: Solve for x
    x = 25,473,776.11/7,078.19
  6. Step 6: Final answer
    x = 3,598.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.