Home / 4,148.40-6,223.20-1,957.20

Finding the Fourth Proportional to 4,148.40, 6,223.20 and 1,957.20

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Solution

The fourth proportional to 4,148.40, 6,223.20 and 1,957.20 is: 2,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.40 : 6,223.20 = 1,957.20 : x
  2. Step 2: Convert to fraction form
    4,148.40/6,223.20 = 1,957.20/x
  3. Step 3: Cross multiply
    4,148.40x = 6,223.20 × 1,957.20
  4. Step 4: Simplify right side
    4,148.40x = 12,180,047.04
  5. Step 5: Solve for x
    x = 12,180,047.04/4,148.40
  6. Step 6: Final answer
    x = 2,936.08

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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.