Home / 8,579.28-12,870.15-2,733.93

Finding the Fourth Proportional to 8,579.28, 12,870.15 and 2,733.93

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Solution

The fourth proportional to 8,579.28, 12,870.15 and 2,733.93 is: 4,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.28 : 12,870.15 = 2,733.93 : x
  2. Step 2: Convert to fraction form
    8,579.28/12,870.15 = 2,733.93/x
  3. Step 3: Cross multiply
    8,579.28x = 12,870.15 × 2,733.93
  4. Step 4: Simplify right side
    8,579.28x = 35,186,089.19
  5. Step 5: Solve for x
    x = 35,186,089.19/8,579.28
  6. Step 6: Final answer
    x = 4,101.29

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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.