Home / 4,345.20-6,510.60-3,610.80

Finding the Fourth Proportional to 4,345.20, 6,510.60 and 3,610.80

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Solution

The fourth proportional to 4,345.20, 6,510.60 and 3,610.80 is: 5,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.20 : 6,510.60 = 3,610.80 : x
  2. Step 2: Convert to fraction form
    4,345.20/6,510.60 = 3,610.80/x
  3. Step 3: Cross multiply
    4,345.20x = 6,510.60 × 3,610.80
  4. Step 4: Simplify right side
    4,345.20x = 23,508,474.48
  5. Step 5: Solve for x
    x = 23,508,474.48/4,345.20
  6. Step 6: Final answer
    x = 5,410.22

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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.