Home / 7,311.25-10,967.28-2,117.53

Finding the Fourth Proportional to 7,311.25, 10,967.28 and 2,117.53

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Solution

The fourth proportional to 7,311.25, 10,967.28 and 2,117.53 is: 3,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.25 : 10,967.28 = 2,117.53 : x
  2. Step 2: Convert to fraction form
    7,311.25/10,967.28 = 2,117.53/x
  3. Step 3: Cross multiply
    7,311.25x = 10,967.28 × 2,117.53
  4. Step 4: Simplify right side
    7,311.25x = 23,223,544.42
  5. Step 5: Solve for x
    x = 23,223,544.42/7,311.25
  6. Step 6: Final answer
    x = 3,176.41

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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.