Home / 4,439.90-6,660.60-1,478.51

Finding the Fourth Proportional to 4,439.90, 6,660.60 and 1,478.51

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Solution

The fourth proportional to 4,439.90, 6,660.60 and 1,478.51 is: 2,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.90 : 6,660.60 = 1,478.51 : x
  2. Step 2: Convert to fraction form
    4,439.90/6,660.60 = 1,478.51/x
  3. Step 3: Cross multiply
    4,439.90x = 6,660.60 × 1,478.51
  4. Step 4: Simplify right side
    4,439.90x = 9,847,763.71
  5. Step 5: Solve for x
    x = 9,847,763.71/4,439.90
  6. Step 6: Final answer
    x = 2,218.01

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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.