Home / 7,211.16-10,816.41-2,281.08

Finding the Fourth Proportional to 7,211.16, 10,816.41 and 2,281.08

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Solution

The fourth proportional to 7,211.16, 10,816.41 and 2,281.08 is: 3,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.16 : 10,816.41 = 2,281.08 : x
  2. Step 2: Convert to fraction form
    7,211.16/10,816.41 = 2,281.08/x
  3. Step 3: Cross multiply
    7,211.16x = 10,816.41 × 2,281.08
  4. Step 4: Simplify right side
    7,211.16x = 24,673,096.52
  5. Step 5: Solve for x
    x = 24,673,096.52/7,211.16
  6. Step 6: Final answer
    x = 3,421.52

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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.