Home / 7,844.29-10,824.78-4,307.56

Finding the Fourth Proportional to 7,844.29, 10,824.78 and 4,307.56

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Solution

The fourth proportional to 7,844.29, 10,824.78 and 4,307.56 is: 5,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.29 : 10,824.78 = 4,307.56 : x
  2. Step 2: Convert to fraction form
    7,844.29/10,824.78 = 4,307.56/x
  3. Step 3: Cross multiply
    7,844.29x = 10,824.78 × 4,307.56
  4. Step 4: Simplify right side
    7,844.29x = 46,628,389.34
  5. Step 5: Solve for x
    x = 46,628,389.34/7,844.29
  6. Step 6: Final answer
    x = 5,944.25

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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.