Home / 4,981.32-6,875.35-3,789.61

Finding the Fourth Proportional to 4,981.32, 6,875.35 and 3,789.61

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Solution

The fourth proportional to 4,981.32, 6,875.35 and 3,789.61 is: 5,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.32 : 6,875.35 = 3,789.61 : x
  2. Step 2: Convert to fraction form
    4,981.32/6,875.35 = 3,789.61/x
  3. Step 3: Cross multiply
    4,981.32x = 6,875.35 × 3,789.61
  4. Step 4: Simplify right side
    4,981.32x = 26,054,868.45
  5. Step 5: Solve for x
    x = 26,054,868.45/4,981.32
  6. Step 6: Final answer
    x = 5,230.51

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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.