Home / 4,340.40-6,510.60-3,480.24

Finding the Fourth Proportional to 4,340.40, 6,510.60 and 3,480.24

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Solution

The fourth proportional to 4,340.40, 6,510.60 and 3,480.24 is: 5,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.40 : 6,510.60 = 3,480.24 : x
  2. Step 2: Convert to fraction form
    4,340.40/6,510.60 = 3,480.24/x
  3. Step 3: Cross multiply
    4,340.40x = 6,510.60 × 3,480.24
  4. Step 4: Simplify right side
    4,340.40x = 22,658,450.54
  5. Step 5: Solve for x
    x = 22,658,450.54/4,340.40
  6. Step 6: Final answer
    x = 5,220.36

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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.