Home / 7,928.63-10,941.50-4,392.07

Finding the Fourth Proportional to 7,928.63, 10,941.50 and 4,392.07

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Solution

The fourth proportional to 7,928.63, 10,941.50 and 4,392.07 is: 6,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.63 : 10,941.50 = 4,392.07 : x
  2. Step 2: Convert to fraction form
    7,928.63/10,941.50 = 4,392.07/x
  3. Step 3: Cross multiply
    7,928.63x = 10,941.50 × 4,392.07
  4. Step 4: Simplify right side
    7,928.63x = 48,055,790.18
  5. Step 5: Solve for x
    x = 48,055,790.18/7,928.63
  6. Step 6: Final answer
    x = 6,061.05

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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.