Home / 7,928.46-10,940.13-4,569.93

Finding the Fourth Proportional to 7,928.46, 10,940.13 and 4,569.93

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Solution

The fourth proportional to 7,928.46, 10,940.13 and 4,569.93 is: 6,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.46 : 10,940.13 = 4,569.93 : x
  2. Step 2: Convert to fraction form
    7,928.46/10,940.13 = 4,569.93/x
  3. Step 3: Cross multiply
    7,928.46x = 10,940.13 × 4,569.93
  4. Step 4: Simplify right side
    7,928.46x = 49,995,628.29
  5. Step 5: Solve for x
    x = 49,995,628.29/7,928.46
  6. Step 6: Final answer
    x = 6,305.84

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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.