Home / 7,747.16-10,690.38-4,390.11

Finding the Fourth Proportional to 7,747.16, 10,690.38 and 4,390.11

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Solution

The fourth proportional to 7,747.16, 10,690.38 and 4,390.11 is: 6,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.16 : 10,690.38 = 4,390.11 : x
  2. Step 2: Convert to fraction form
    7,747.16/10,690.38 = 4,390.11/x
  3. Step 3: Cross multiply
    7,747.16x = 10,690.38 × 4,390.11
  4. Step 4: Simplify right side
    7,747.16x = 46,931,944.14
  5. Step 5: Solve for x
    x = 46,931,944.14/7,747.16
  6. Step 6: Final answer
    x = 6,057.96

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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.