Home / 4,478.16-6,684.58-4,148.76

Finding the Fourth Proportional to 4,478.16, 6,684.58 and 4,148.76

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Solution

The fourth proportional to 4,478.16, 6,684.58 and 4,148.76 is: 6,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.16 : 6,684.58 = 4,148.76 : x
  2. Step 2: Convert to fraction form
    4,478.16/6,684.58 = 4,148.76/x
  3. Step 3: Cross multiply
    4,478.16x = 6,684.58 × 4,148.76
  4. Step 4: Simplify right side
    4,478.16x = 27,732,718.12
  5. Step 5: Solve for x
    x = 27,732,718.12/4,478.16
  6. Step 6: Final answer
    x = 6,192.88

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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.