Home / 7,723.15-10,656.16-5,209.92

Finding the Fourth Proportional to 7,723.15, 10,656.16 and 5,209.92

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Solution

The fourth proportional to 7,723.15, 10,656.16 and 5,209.92 is: 7,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.15 : 10,656.16 = 5,209.92 : x
  2. Step 2: Convert to fraction form
    7,723.15/10,656.16 = 5,209.92/x
  3. Step 3: Cross multiply
    7,723.15x = 10,656.16 × 5,209.92
  4. Step 4: Simplify right side
    7,723.15x = 55,517,728.08
  5. Step 5: Solve for x
    x = 55,517,728.08/7,723.15
  6. Step 6: Final answer
    x = 7,188.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.