Home / 4,981.08-6,874.56-2,885.34

Finding the Fourth Proportional to 4,981.08, 6,874.56 and 2,885.34

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Solution

The fourth proportional to 4,981.08, 6,874.56 and 2,885.34 is: 3,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.08 : 6,874.56 = 2,885.34 : x
  2. Step 2: Convert to fraction form
    4,981.08/6,874.56 = 2,885.34/x
  3. Step 3: Cross multiply
    4,981.08x = 6,874.56 × 2,885.34
  4. Step 4: Simplify right side
    4,981.08x = 19,835,442.95
  5. Step 5: Solve for x
    x = 19,835,442.95/4,981.08
  6. Step 6: Final answer
    x = 3,982.16

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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.