Home / 7,907.20-10,911.18-4,369.84

Finding the Fourth Proportional to 7,907.20, 10,911.18 and 4,369.84

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Solution

The fourth proportional to 7,907.20, 10,911.18 and 4,369.84 is: 6,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.20 : 10,911.18 = 4,369.84 : x
  2. Step 2: Convert to fraction form
    7,907.20/10,911.18 = 4,369.84/x
  3. Step 3: Cross multiply
    7,907.20x = 10,911.18 × 4,369.84
  4. Step 4: Simplify right side
    7,907.20x = 47,680,110.81
  5. Step 5: Solve for x
    x = 47,680,110.81/7,907.20
  6. Step 6: Final answer
    x = 6,029.96

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1.5x scale

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.