Home / 7,216.29-9,958.74-4,191.18

Finding the Fourth Proportional to 7,216.29, 9,958.74 and 4,191.18

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Solution

The fourth proportional to 7,216.29, 9,958.74 and 4,191.18 is: 5,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.29 : 9,958.74 = 4,191.18 : x
  2. Step 2: Convert to fraction form
    7,216.29/9,958.74 = 4,191.18/x
  3. Step 3: Cross multiply
    7,216.29x = 9,958.74 × 4,191.18
  4. Step 4: Simplify right side
    7,216.29x = 41,738,871.91
  5. Step 5: Solve for x
    x = 41,738,871.91/7,216.29
  6. Step 6: Final answer
    x = 5,783.98

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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.