Home / 4,440.93-6,662.05-1,478.40

Finding the Fourth Proportional to 4,440.93, 6,662.05 and 1,478.40

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Solution

The fourth proportional to 4,440.93, 6,662.05 and 1,478.40 is: 2,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.93 : 6,662.05 = 1,478.40 : x
  2. Step 2: Convert to fraction form
    4,440.93/6,662.05 = 1,478.40/x
  3. Step 3: Cross multiply
    4,440.93x = 6,662.05 × 1,478.40
  4. Step 4: Simplify right side
    4,440.93x = 9,849,183.52
  5. Step 5: Solve for x
    x = 9,849,183.52/4,440.93
  6. Step 6: Final answer
    x = 2,217.82

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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.