Home / 7,907.19-10,912.05-4,370.61

Finding the Fourth Proportional to 7,907.19, 10,912.05 and 4,370.61

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Solution

The fourth proportional to 7,907.19, 10,912.05 and 4,370.61 is: 6,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.19 : 10,912.05 = 4,370.61 : x
  2. Step 2: Convert to fraction form
    7,907.19/10,912.05 = 4,370.61/x
  3. Step 3: Cross multiply
    7,907.19x = 10,912.05 × 4,370.61
  4. Step 4: Simplify right side
    7,907.19x = 47,692,314.85
  5. Step 5: Solve for x
    x = 47,692,314.85/7,907.19
  6. Step 6: Final answer
    x = 6,031.51

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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.