Home / 4,148.80-6,223.80-1,227.13

Finding the Fourth Proportional to 4,148.80, 6,223.80 and 1,227.13

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Solution

The fourth proportional to 4,148.80, 6,223.80 and 1,227.13 is: 1,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.80 : 6,223.80 = 1,227.13 : x
  2. Step 2: Convert to fraction form
    4,148.80/6,223.80 = 1,227.13/x
  3. Step 3: Cross multiply
    4,148.80x = 6,223.80 × 1,227.13
  4. Step 4: Simplify right side
    4,148.80x = 7,637,411.69
  5. Step 5: Solve for x
    x = 7,637,411.69/4,148.80
  6. Step 6: Final answer
    x = 1,840.87

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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.