Home / 7,928.87-10,941.69-4,392.11

Finding the Fourth Proportional to 7,928.87, 10,941.69 and 4,392.11

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Solution

The fourth proportional to 7,928.87, 10,941.69 and 4,392.11 is: 6,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.87 : 10,941.69 = 4,392.11 : x
  2. Step 2: Convert to fraction form
    7,928.87/10,941.69 = 4,392.11/x
  3. Step 3: Cross multiply
    7,928.87x = 10,941.69 × 4,392.11
  4. Step 4: Simplify right side
    7,928.87x = 48,057,106.07
  5. Step 5: Solve for x
    x = 48,057,106.07/7,928.87
  6. Step 6: Final answer
    x = 6,061.03

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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.