Home / 6,815.52-10,223.25-1,885.15

Finding the Fourth Proportional to 6,815.52, 10,223.25 and 1,885.15

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Solution

The fourth proportional to 6,815.52, 10,223.25 and 1,885.15 is: 2,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.52 : 10,223.25 = 1,885.15 : x
  2. Step 2: Convert to fraction form
    6,815.52/10,223.25 = 1,885.15/x
  3. Step 3: Cross multiply
    6,815.52x = 10,223.25 × 1,885.15
  4. Step 4: Simplify right side
    6,815.52x = 19,272,359.74
  5. Step 5: Solve for x
    x = 19,272,359.74/6,815.52
  6. Step 6: Final answer
    x = 2,827.72

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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.