Home / 5,107.34-7,661.28-1,597.61

Finding the Fourth Proportional to 5,107.34, 7,661.28 and 1,597.61

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Solution

The fourth proportional to 5,107.34, 7,661.28 and 1,597.61 is: 2,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.34 : 7,661.28 = 1,597.61 : x
  2. Step 2: Convert to fraction form
    5,107.34/7,661.28 = 1,597.61/x
  3. Step 3: Cross multiply
    5,107.34x = 7,661.28 × 1,597.61
  4. Step 4: Simplify right side
    5,107.34x = 12,239,699.23
  5. Step 5: Solve for x
    x = 12,239,699.23/5,107.34
  6. Step 6: Final answer
    x = 2,396.49

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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.