Home / 7,115.04-10,678.01-3,222.18

Finding the Fourth Proportional to 7,115.04, 10,678.01 and 3,222.18

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Solution

The fourth proportional to 7,115.04, 10,678.01 and 3,222.18 is: 4,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.04 : 10,678.01 = 3,222.18 : x
  2. Step 2: Convert to fraction form
    7,115.04/10,678.01 = 3,222.18/x
  3. Step 3: Cross multiply
    7,115.04x = 10,678.01 × 3,222.18
  4. Step 4: Simplify right side
    7,115.04x = 34,406,454.15
  5. Step 5: Solve for x
    x = 34,406,454.15/7,115.04
  6. Step 6: Final answer
    x = 4,835.74

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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.