Home / 7,928.67-10,941.86-4,392.21

Finding the Fourth Proportional to 7,928.67, 10,941.86 and 4,392.21

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Solution

The fourth proportional to 7,928.67, 10,941.86 and 4,392.21 is: 6,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.67 : 10,941.86 = 4,392.21 : x
  2. Step 2: Convert to fraction form
    7,928.67/10,941.86 = 4,392.21/x
  3. Step 3: Cross multiply
    7,928.67x = 10,941.86 × 4,392.21
  4. Step 4: Simplify right side
    7,928.67x = 48,058,924.95
  5. Step 5: Solve for x
    x = 48,058,924.95/7,928.67
  6. Step 6: Final answer
    x = 6,061.41

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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.