Home / 7,151.01-9,868.95-4,007.67

Finding the Fourth Proportional to 7,151.01, 9,868.95 and 4,007.67

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Solution

The fourth proportional to 7,151.01, 9,868.95 and 4,007.67 is: 5,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.01 : 9,868.95 = 4,007.67 : x
  2. Step 2: Convert to fraction form
    7,151.01/9,868.95 = 4,007.67/x
  3. Step 3: Cross multiply
    7,151.01x = 9,868.95 × 4,007.67
  4. Step 4: Simplify right side
    7,151.01x = 39,551,494.85
  5. Step 5: Solve for x
    x = 39,551,494.85/7,151.01
  6. Step 6: Final answer
    x = 5,530.90

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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.