Home / 4,147.16-6,220.17-1,225.76

Finding the Fourth Proportional to 4,147.16, 6,220.17 and 1,225.76

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Solution

The fourth proportional to 4,147.16, 6,220.17 and 1,225.76 is: 1,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.16 : 6,220.17 = 1,225.76 : x
  2. Step 2: Convert to fraction form
    4,147.16/6,220.17 = 1,225.76/x
  3. Step 3: Cross multiply
    4,147.16x = 6,220.17 × 1,225.76
  4. Step 4: Simplify right side
    4,147.16x = 7,624,435.58
  5. Step 5: Solve for x
    x = 7,624,435.58/4,147.16
  6. Step 6: Final answer
    x = 1,838.47

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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.