Home / 7,844.13-10,825.20-4,307.49

Finding the Fourth Proportional to 7,844.13, 10,825.20 and 4,307.49

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Solution

The fourth proportional to 7,844.13, 10,825.20 and 4,307.49 is: 5,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.13 : 10,825.20 = 4,307.49 : x
  2. Step 2: Convert to fraction form
    7,844.13/10,825.20 = 4,307.49/x
  3. Step 3: Cross multiply
    7,844.13x = 10,825.20 × 4,307.49
  4. Step 4: Simplify right side
    7,844.13x = 46,629,440.75
  5. Step 5: Solve for x
    x = 46,629,440.75/7,844.13
  6. Step 6: Final answer
    x = 5,944.50

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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.