Home / 6,897.22-9,518.16-3,753.40

Finding the Fourth Proportional to 6,897.22, 9,518.16 and 3,753.40

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Solution

The fourth proportional to 6,897.22, 9,518.16 and 3,753.40 is: 5,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.22 : 9,518.16 = 3,753.40 : x
  2. Step 2: Convert to fraction form
    6,897.22/9,518.16 = 3,753.40/x
  3. Step 3: Cross multiply
    6,897.22x = 9,518.16 × 3,753.40
  4. Step 4: Simplify right side
    6,897.22x = 35,725,461.74
  5. Step 5: Solve for x
    x = 35,725,461.74/6,897.22
  6. Step 6: Final answer
    x = 5,179.69

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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.