Home / 6,897.12-10,344.60-2,280.12

Finding the Fourth Proportional to 6,897.12, 10,344.60 and 2,280.12

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Solution

The fourth proportional to 6,897.12, 10,344.60 and 2,280.12 is: 3,419.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.12 : 10,344.60 = 2,280.12 : x
  2. Step 2: Convert to fraction form
    6,897.12/10,344.60 = 2,280.12/x
  3. Step 3: Cross multiply
    6,897.12x = 10,344.60 × 2,280.12
  4. Step 4: Simplify right side
    6,897.12x = 23,586,929.35
  5. Step 5: Solve for x
    x = 23,586,929.35/6,897.12
  6. Step 6: Final answer
    x = 3,419.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.