Home / 8,541.71-12,812.65-2,995.19

Finding the Fourth Proportional to 8,541.71, 12,812.65 and 2,995.19

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Solution

The fourth proportional to 8,541.71, 12,812.65 and 2,995.19 is: 4,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.71 : 12,812.65 = 2,995.19 : x
  2. Step 2: Convert to fraction form
    8,541.71/12,812.65 = 2,995.19/x
  3. Step 3: Cross multiply
    8,541.71x = 12,812.65 × 2,995.19
  4. Step 4: Simplify right side
    8,541.71x = 38,376,297.65
  5. Step 5: Solve for x
    x = 38,376,297.65/8,541.71
  6. Step 6: Final answer
    x = 4,492.81

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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.