Home / 8,271.29-12,407.04-2,428.02

Finding the Fourth Proportional to 8,271.29, 12,407.04 and 2,428.02

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Solution

The fourth proportional to 8,271.29, 12,407.04 and 2,428.02 is: 3,642.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.29 : 12,407.04 = 2,428.02 : x
  2. Step 2: Convert to fraction form
    8,271.29/12,407.04 = 2,428.02/x
  3. Step 3: Cross multiply
    8,271.29x = 12,407.04 × 2,428.02
  4. Step 4: Simplify right side
    8,271.29x = 30,124,541.26
  5. Step 5: Solve for x
    x = 30,124,541.26/8,271.29
  6. Step 6: Final answer
    x = 3,642.06

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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.