Home / 4,478.48-6,684.85-4,148.61

Finding the Fourth Proportional to 4,478.48, 6,684.85 and 4,148.61

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Solution

The fourth proportional to 4,478.48, 6,684.85 and 4,148.61 is: 6,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.48 : 6,684.85 = 4,148.61 : x
  2. Step 2: Convert to fraction form
    4,478.48/6,684.85 = 4,148.61/x
  3. Step 3: Cross multiply
    4,478.48x = 6,684.85 × 4,148.61
  4. Step 4: Simplify right side
    4,478.48x = 27,732,835.56
  5. Step 5: Solve for x
    x = 27,732,835.56/4,478.48
  6. Step 6: Final answer
    x = 6,192.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.