Home / 7,210.86-10,816.28-3,049.79

Finding the Fourth Proportional to 7,210.86, 10,816.28 and 3,049.79

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Solution

The fourth proportional to 7,210.86, 10,816.28 and 3,049.79 is: 4,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.86 : 10,816.28 = 3,049.79 : x
  2. Step 2: Convert to fraction form
    7,210.86/10,816.28 = 3,049.79/x
  3. Step 3: Cross multiply
    7,210.86x = 10,816.28 × 3,049.79
  4. Step 4: Simplify right side
    7,210.86x = 32,987,341.84
  5. Step 5: Solve for x
    x = 32,987,341.84/7,210.86
  6. Step 6: Final answer
    x = 4,574.68

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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.