Home / 7,705.83-11,559.11-2,159.56

Finding the Fourth Proportional to 7,705.83, 11,559.11 and 2,159.56

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Solution

The fourth proportional to 7,705.83, 11,559.11 and 2,159.56 is: 3,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.83 : 11,559.11 = 2,159.56 : x
  2. Step 2: Convert to fraction form
    7,705.83/11,559.11 = 2,159.56/x
  3. Step 3: Cross multiply
    7,705.83x = 11,559.11 × 2,159.56
  4. Step 4: Simplify right side
    7,705.83x = 24,962,595.24
  5. Step 5: Solve for x
    x = 24,962,595.24/7,705.83
  6. Step 6: Final answer
    x = 3,239.44

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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.