Home / 4,340.23-6,510.60-1,220.49

Finding the Fourth Proportional to 4,340.23, 6,510.60 and 1,220.49

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Solution

The fourth proportional to 4,340.23, 6,510.60 and 1,220.49 is: 1,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.23 : 6,510.60 = 1,220.49 : x
  2. Step 2: Convert to fraction form
    4,340.23/6,510.60 = 1,220.49/x
  3. Step 3: Cross multiply
    4,340.23x = 6,510.60 × 1,220.49
  4. Step 4: Simplify right side
    4,340.23x = 7,946,122.19
  5. Step 5: Solve for x
    x = 7,946,122.19/4,340.23
  6. Step 6: Final answer
    x = 1,830.81

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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.