Home / 7,159.59-10,742.36-3,868.70

Finding the Fourth Proportional to 7,159.59, 10,742.36 and 3,868.70

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Solution

The fourth proportional to 7,159.59, 10,742.36 and 3,868.70 is: 5,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.59 : 10,742.36 = 3,868.70 : x
  2. Step 2: Convert to fraction form
    7,159.59/10,742.36 = 3,868.70/x
  3. Step 3: Cross multiply
    7,159.59x = 10,742.36 × 3,868.70
  4. Step 4: Simplify right side
    7,159.59x = 41,558,895.08
  5. Step 5: Solve for x
    x = 41,558,895.08/7,159.59
  6. Step 6: Final answer
    x = 5,804.65

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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.