Home / 5,397.90-7,448.83-3,040.18

Finding the Fourth Proportional to 5,397.90, 7,448.83 and 3,040.18

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Solution

The fourth proportional to 5,397.90, 7,448.83 and 3,040.18 is: 4,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.90 : 7,448.83 = 3,040.18 : x
  2. Step 2: Convert to fraction form
    5,397.90/7,448.83 = 3,040.18/x
  3. Step 3: Cross multiply
    5,397.90x = 7,448.83 × 3,040.18
  4. Step 4: Simplify right side
    5,397.90x = 22,645,783.99
  5. Step 5: Solve for x
    x = 22,645,783.99/5,397.90
  6. Step 6: Final answer
    x = 4,195.30

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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.