Home / 5,132.40-7,682.40-4,030.80

Finding the Fourth Proportional to 5,132.40, 7,682.40 and 4,030.80

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Solution

The fourth proportional to 5,132.40, 7,682.40 and 4,030.80 is: 6,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.40 : 7,682.40 = 4,030.80 : x
  2. Step 2: Convert to fraction form
    5,132.40/7,682.40 = 4,030.80/x
  3. Step 3: Cross multiply
    5,132.40x = 7,682.40 × 4,030.80
  4. Step 4: Simplify right side
    5,132.40x = 30,966,217.92
  5. Step 5: Solve for x
    x = 30,966,217.92/5,132.40
  6. Step 6: Final answer
    x = 6,033.48

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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.