Home / 6,815.34-10,219.83-2,431.77

Finding the Fourth Proportional to 6,815.34, 10,219.83 and 2,431.77

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Solution

The fourth proportional to 6,815.34, 10,219.83 and 2,431.77 is: 3,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.34 : 10,219.83 = 2,431.77 : x
  2. Step 2: Convert to fraction form
    6,815.34/10,219.83 = 2,431.77/x
  3. Step 3: Cross multiply
    6,815.34x = 10,219.83 × 2,431.77
  4. Step 4: Simplify right side
    6,815.34x = 24,852,276.00
  5. Step 5: Solve for x
    x = 24,852,276.00/6,815.34
  6. Step 6: Final answer
    x = 3,646.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.