Home / 5,670.74-7,825.36-3,153.02

Finding the Fourth Proportional to 5,670.74, 7,825.36 and 3,153.02

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Solution

The fourth proportional to 5,670.74, 7,825.36 and 3,153.02 is: 4,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.74 : 7,825.36 = 3,153.02 : x
  2. Step 2: Convert to fraction form
    5,670.74/7,825.36 = 3,153.02/x
  3. Step 3: Cross multiply
    5,670.74x = 7,825.36 × 3,153.02
  4. Step 4: Simplify right side
    5,670.74x = 24,673,516.59
  5. Step 5: Solve for x
    x = 24,673,516.59/5,670.74
  6. Step 6: Final answer
    x = 4,351.02

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1.5x scale

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.