Home / 4,148.04-6,221.42-1,225.72

Finding the Fourth Proportional to 4,148.04, 6,221.42 and 1,225.72

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Solution

The fourth proportional to 4,148.04, 6,221.42 and 1,225.72 is: 1,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.04 : 6,221.42 = 1,225.72 : x
  2. Step 2: Convert to fraction form
    4,148.04/6,221.42 = 1,225.72/x
  3. Step 3: Cross multiply
    4,148.04x = 6,221.42 × 1,225.72
  4. Step 4: Simplify right side
    4,148.04x = 7,625,718.92
  5. Step 5: Solve for x
    x = 7,625,718.92/4,148.04
  6. Step 6: Final answer
    x = 1,838.39

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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.