Home / 5,268.65-7,909.08-3,078.95

Finding the Fourth Proportional to 5,268.65, 7,909.08 and 3,078.95

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Solution

The fourth proportional to 5,268.65, 7,909.08 and 3,078.95 is: 4,621.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.65 : 7,909.08 = 3,078.95 : x
  2. Step 2: Convert to fraction form
    5,268.65/7,909.08 = 3,078.95/x
  3. Step 3: Cross multiply
    5,268.65x = 7,909.08 × 3,078.95
  4. Step 4: Simplify right side
    5,268.65x = 24,351,606.93
  5. Step 5: Solve for x
    x = 24,351,606.93/5,268.65
  6. Step 6: Final answer
    x = 4,621.99

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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.