Home / 7,718.24-11,567.19-4,209.77

Finding the Fourth Proportional to 7,718.24, 11,567.19 and 4,209.77

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Solution

The fourth proportional to 7,718.24, 11,567.19 and 4,209.77 is: 6,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.24 : 11,567.19 = 4,209.77 : x
  2. Step 2: Convert to fraction form
    7,718.24/11,567.19 = 4,209.77/x
  3. Step 3: Cross multiply
    7,718.24x = 11,567.19 × 4,209.77
  4. Step 4: Simplify right side
    7,718.24x = 48,695,254.15
  5. Step 5: Solve for x
    x = 48,695,254.15/7,718.24
  6. Step 6: Final answer
    x = 6,309.11

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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.