Home / 7,211.04-10,816.94-2,281.20

Finding the Fourth Proportional to 7,211.04, 10,816.94 and 2,281.20

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Solution

The fourth proportional to 7,211.04, 10,816.94 and 2,281.20 is: 3,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.04 : 10,816.94 = 2,281.20 : x
  2. Step 2: Convert to fraction form
    7,211.04/10,816.94 = 2,281.20/x
  3. Step 3: Cross multiply
    7,211.04x = 10,816.94 × 2,281.20
  4. Step 4: Simplify right side
    7,211.04x = 24,675,603.53
  5. Step 5: Solve for x
    x = 24,675,603.53/7,211.04
  6. Step 6: Final answer
    x = 3,421.92

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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.