Home / 6,897.60-9,519.36-4,103.04

Finding the Fourth Proportional to 6,897.60, 9,519.36 and 4,103.04

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Solution

The fourth proportional to 6,897.60, 9,519.36 and 4,103.04 is: 5,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.60 : 9,519.36 = 4,103.04 : x
  2. Step 2: Convert to fraction form
    6,897.60/9,519.36 = 4,103.04/x
  3. Step 3: Cross multiply
    6,897.60x = 9,519.36 × 4,103.04
  4. Step 4: Simplify right side
    6,897.60x = 39,058,314.85
  5. Step 5: Solve for x
    x = 39,058,314.85/6,897.60
  6. Step 6: Final answer
    x = 5,662.59

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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.