Home / 7,221.95-10,824.82-4,727.91

Finding the Fourth Proportional to 7,221.95, 10,824.82 and 4,727.91

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Solution

The fourth proportional to 7,221.95, 10,824.82 and 4,727.91 is: 7,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.95 : 10,824.82 = 4,727.91 : x
  2. Step 2: Convert to fraction form
    7,221.95/10,824.82 = 4,727.91/x
  3. Step 3: Cross multiply
    7,221.95x = 10,824.82 × 4,727.91
  4. Step 4: Simplify right side
    7,221.95x = 51,178,762.91
  5. Step 5: Solve for x
    x = 51,178,762.91/7,221.95
  6. Step 6: Final answer
    x = 7,086.56

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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.