Home / 5,170.76-7,756.14-1,708.28

Finding the Fourth Proportional to 5,170.76, 7,756.14 and 1,708.28

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Solution

The fourth proportional to 5,170.76, 7,756.14 and 1,708.28 is: 2,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.76 : 7,756.14 = 1,708.28 : x
  2. Step 2: Convert to fraction form
    5,170.76/7,756.14 = 1,708.28/x
  3. Step 3: Cross multiply
    5,170.76x = 7,756.14 × 1,708.28
  4. Step 4: Simplify right side
    5,170.76x = 13,249,658.84
  5. Step 5: Solve for x
    x = 13,249,658.84/5,170.76
  6. Step 6: Final answer
    x = 2,562.42

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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.