Home / 5,601.80-8,400.86-2,315.08

Finding the Fourth Proportional to 5,601.80, 8,400.86 and 2,315.08

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Solution

The fourth proportional to 5,601.80, 8,400.86 and 2,315.08 is: 3,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.80 : 8,400.86 = 2,315.08 : x
  2. Step 2: Convert to fraction form
    5,601.80/8,400.86 = 2,315.08/x
  3. Step 3: Cross multiply
    5,601.80x = 8,400.86 × 2,315.08
  4. Step 4: Simplify right side
    5,601.80x = 19,448,662.97
  5. Step 5: Solve for x
    x = 19,448,662.97/5,601.80
  6. Step 6: Final answer
    x = 3,471.86

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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.