Home / 7,848.44-10,830.75-4,311.56

Finding the Fourth Proportional to 7,848.44, 10,830.75 and 4,311.56

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Solution

The fourth proportional to 7,848.44, 10,830.75 and 4,311.56 is: 5,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.44 : 10,830.75 = 4,311.56 : x
  2. Step 2: Convert to fraction form
    7,848.44/10,830.75 = 4,311.56/x
  3. Step 3: Cross multiply
    7,848.44x = 10,830.75 × 4,311.56
  4. Step 4: Simplify right side
    7,848.44x = 46,697,428.47
  5. Step 5: Solve for x
    x = 46,697,428.47/7,848.44
  6. Step 6: Final answer
    x = 5,949.90

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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.