Home / 4,479.08-6,718.61-1,555.31

Finding the Fourth Proportional to 4,479.08, 6,718.61 and 1,555.31

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Solution

The fourth proportional to 4,479.08, 6,718.61 and 1,555.31 is: 2,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.08 : 6,718.61 = 1,555.31 : x
  2. Step 2: Convert to fraction form
    4,479.08/6,718.61 = 1,555.31/x
  3. Step 3: Cross multiply
    4,479.08x = 6,718.61 × 1,555.31
  4. Step 4: Simplify right side
    4,479.08x = 10,449,542.00
  5. Step 5: Solve for x
    x = 10,449,542.00/4,479.08
  6. Step 6: Final answer
    x = 2,332.97

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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.