Home / 8,045.92-12,070.72-2,851.84

Finding the Fourth Proportional to 8,045.92, 12,070.72 and 2,851.84

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Solution

The fourth proportional to 8,045.92, 12,070.72 and 2,851.84 is: 4,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.92 : 12,070.72 = 2,851.84 : x
  2. Step 2: Convert to fraction form
    8,045.92/12,070.72 = 2,851.84/x
  3. Step 3: Cross multiply
    8,045.92x = 12,070.72 × 2,851.84
  4. Step 4: Simplify right side
    8,045.92x = 34,423,762.12
  5. Step 5: Solve for x
    x = 34,423,762.12/8,045.92
  6. Step 6: Final answer
    x = 4,278.41

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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.