Home / 6,897.57-9,518.67-3,753.75

Finding the Fourth Proportional to 6,897.57, 9,518.67 and 3,753.75

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Solution

The fourth proportional to 6,897.57, 9,518.67 and 3,753.75 is: 5,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.57 : 9,518.67 = 3,753.75 : x
  2. Step 2: Convert to fraction form
    6,897.57/9,518.67 = 3,753.75/x
  3. Step 3: Cross multiply
    6,897.57x = 9,518.67 × 3,753.75
  4. Step 4: Simplify right side
    6,897.57x = 35,730,707.51
  5. Step 5: Solve for x
    x = 35,730,707.51/6,897.57
  6. Step 6: Final answer
    x = 5,180.19

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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.