Home / 7,828.92-10,803.75-4,292.04

Finding the Fourth Proportional to 7,828.92, 10,803.75 and 4,292.04

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Solution

The fourth proportional to 7,828.92, 10,803.75 and 4,292.04 is: 5,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.92 : 10,803.75 = 4,292.04 : x
  2. Step 2: Convert to fraction form
    7,828.92/10,803.75 = 4,292.04/x
  3. Step 3: Cross multiply
    7,828.92x = 10,803.75 × 4,292.04
  4. Step 4: Simplify right side
    7,828.92x = 46,370,127.15
  5. Step 5: Solve for x
    x = 46,370,127.15/7,828.92
  6. Step 6: Final answer
    x = 5,922.93

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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.