Home / 4,070-6,105.30-2,981.24

Finding the Fourth Proportional to 4,070, 6,105.30 and 2,981.24

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Solution

The fourth proportional to 4,070, 6,105.30 and 2,981.24 is: 4,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070 : 6,105.30 = 2,981.24 : x
  2. Step 2: Convert to fraction form
    4,070/6,105.30 = 2,981.24/x
  3. Step 3: Cross multiply
    4,070x = 6,105.30 × 2,981.24
  4. Step 4: Simplify right side
    4,070x = 18,201,364.57
  5. Step 5: Solve for x
    x = 18,201,364.57/4,070
  6. Step 6: Final answer
    x = 4,472.08

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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.