Home / 8,312.51-12,470.12-2,765.27

Finding the Fourth Proportional to 8,312.51, 12,470.12 and 2,765.27

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Solution

The fourth proportional to 8,312.51, 12,470.12 and 2,765.27 is: 4,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.51 : 12,470.12 = 2,765.27 : x
  2. Step 2: Convert to fraction form
    8,312.51/12,470.12 = 2,765.27/x
  3. Step 3: Cross multiply
    8,312.51x = 12,470.12 × 2,765.27
  4. Step 4: Simplify right side
    8,312.51x = 34,483,172.56
  5. Step 5: Solve for x
    x = 34,483,172.56/8,312.51
  6. Step 6: Final answer
    x = 4,148.35

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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.