Home / 6,549.75-9,038.57-3,897.09

Finding the Fourth Proportional to 6,549.75, 9,038.57 and 3,897.09

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Solution

The fourth proportional to 6,549.75, 9,038.57 and 3,897.09 is: 5,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,549.75 : 9,038.57 = 3,897.09 : x
  2. Step 2: Convert to fraction form
    6,549.75/9,038.57 = 3,897.09/x
  3. Step 3: Cross multiply
    6,549.75x = 9,038.57 × 3,897.09
  4. Step 4: Simplify right side
    6,549.75x = 35,224,101.28
  5. Step 5: Solve for x
    x = 35,224,101.28/6,549.75
  6. Step 6: Final answer
    x = 5,377.93

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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.