Home / 7,636.73-10,538.51-4,279.53

Finding the Fourth Proportional to 7,636.73, 10,538.51 and 4,279.53

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Solution

The fourth proportional to 7,636.73, 10,538.51 and 4,279.53 is: 5,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.73 : 10,538.51 = 4,279.53 : x
  2. Step 2: Convert to fraction form
    7,636.73/10,538.51 = 4,279.53/x
  3. Step 3: Cross multiply
    7,636.73x = 10,538.51 × 4,279.53
  4. Step 4: Simplify right side
    7,636.73x = 45,099,887.82
  5. Step 5: Solve for x
    x = 45,099,887.82/7,636.73
  6. Step 6: Final answer
    x = 5,905.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.