Home / 5,107.50-7,041.87-3,778.97

Finding the Fourth Proportional to 5,107.50, 7,041.87 and 3,778.97

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Solution

The fourth proportional to 5,107.50, 7,041.87 and 3,778.97 is: 5,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.50 : 7,041.87 = 3,778.97 : x
  2. Step 2: Convert to fraction form
    5,107.50/7,041.87 = 3,778.97/x
  3. Step 3: Cross multiply
    5,107.50x = 7,041.87 × 3,778.97
  4. Step 4: Simplify right side
    5,107.50x = 26,610,980.26
  5. Step 5: Solve for x
    x = 26,610,980.26/5,107.50
  6. Step 6: Final answer
    x = 5,210.18

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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.