Home / 5,148.62-7,101.35-3,260.51

Finding the Fourth Proportional to 5,148.62, 7,101.35 and 3,260.51

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Solution

The fourth proportional to 5,148.62, 7,101.35 and 3,260.51 is: 4,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.62 : 7,101.35 = 3,260.51 : x
  2. Step 2: Convert to fraction form
    5,148.62/7,101.35 = 3,260.51/x
  3. Step 3: Cross multiply
    5,148.62x = 7,101.35 × 3,260.51
  4. Step 4: Simplify right side
    5,148.62x = 23,154,006.39
  5. Step 5: Solve for x
    x = 23,154,006.39/5,148.62
  6. Step 6: Final answer
    x = 4,497.13

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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.