Home / 5,618.64-7,753.14-3,260.33

Finding the Fourth Proportional to 5,618.64, 7,753.14 and 3,260.33

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Solution

The fourth proportional to 5,618.64, 7,753.14 and 3,260.33 is: 4,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.64 : 7,753.14 = 3,260.33 : x
  2. Step 2: Convert to fraction form
    5,618.64/7,753.14 = 3,260.33/x
  3. Step 3: Cross multiply
    5,618.64x = 7,753.14 × 3,260.33
  4. Step 4: Simplify right side
    5,618.64x = 25,277,756.17
  5. Step 5: Solve for x
    x = 25,277,756.17/5,618.64
  6. Step 6: Final answer
    x = 4,498.91

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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.