Home / 5,038.32-7,556.64-1,340.61

Finding the Fourth Proportional to 5,038.32, 7,556.64 and 1,340.61

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Solution

The fourth proportional to 5,038.32, 7,556.64 and 1,340.61 is: 2,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.32 : 7,556.64 = 1,340.61 : x
  2. Step 2: Convert to fraction form
    5,038.32/7,556.64 = 1,340.61/x
  3. Step 3: Cross multiply
    5,038.32x = 7,556.64 × 1,340.61
  4. Step 4: Simplify right side
    5,038.32x = 10,130,507.15
  5. Step 5: Solve for x
    x = 10,130,507.15/5,038.32
  6. Step 6: Final answer
    x = 2,010.69

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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.