Home / 6,141.65-9,214.26-1,981.57

Finding the Fourth Proportional to 6,141.65, 9,214.26 and 1,981.57

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Solution

The fourth proportional to 6,141.65, 9,214.26 and 1,981.57 is: 2,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.65 : 9,214.26 = 1,981.57 : x
  2. Step 2: Convert to fraction form
    6,141.65/9,214.26 = 1,981.57/x
  3. Step 3: Cross multiply
    6,141.65x = 9,214.26 × 1,981.57
  4. Step 4: Simplify right side
    6,141.65x = 18,258,678.15
  5. Step 5: Solve for x
    x = 18,258,678.15/6,141.65
  6. Step 6: Final answer
    x = 2,972.93

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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.