Home / 8,312.18-12,464.10-2,763.57

Finding the Fourth Proportional to 8,312.18, 12,464.10 and 2,763.57

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Solution

The fourth proportional to 8,312.18, 12,464.10 and 2,763.57 is: 4,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.18 : 12,464.10 = 2,763.57 : x
  2. Step 2: Convert to fraction form
    8,312.18/12,464.10 = 2,763.57/x
  3. Step 3: Cross multiply
    8,312.18x = 12,464.10 × 2,763.57
  4. Step 4: Simplify right side
    8,312.18x = 34,445,412.84
  5. Step 5: Solve for x
    x = 34,445,412.84/8,312.18
  6. Step 6: Final answer
    x = 4,143.97

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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.