Home / 5,077.32-7,616.70-1,567.62

Finding the Fourth Proportional to 5,077.32, 7,616.70 and 1,567.62

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Solution

The fourth proportional to 5,077.32, 7,616.70 and 1,567.62 is: 2,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.32 : 7,616.70 = 1,567.62 : x
  2. Step 2: Convert to fraction form
    5,077.32/7,616.70 = 1,567.62/x
  3. Step 3: Cross multiply
    5,077.32x = 7,616.70 × 1,567.62
  4. Step 4: Simplify right side
    5,077.32x = 11,940,065.63
  5. Step 5: Solve for x
    x = 11,940,065.63/5,077.32
  6. Step 6: Final answer
    x = 2,351.65

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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.