Home / 4,981.52-6,874.26-2,886.32

Finding the Fourth Proportional to 4,981.52, 6,874.26 and 2,886.32

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Solution

The fourth proportional to 4,981.52, 6,874.26 and 2,886.32 is: 3,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.52 : 6,874.26 = 2,886.32 : x
  2. Step 2: Convert to fraction form
    4,981.52/6,874.26 = 2,886.32/x
  3. Step 3: Cross multiply
    4,981.52x = 6,874.26 × 2,886.32
  4. Step 4: Simplify right side
    4,981.52x = 19,841,314.12
  5. Step 5: Solve for x
    x = 19,841,314.12/4,981.52
  6. Step 6: Final answer
    x = 3,982.98

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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.