Home / 6,585.78-9,087.31-3,753.21

Finding the Fourth Proportional to 6,585.78, 9,087.31 and 3,753.21

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Solution

The fourth proportional to 6,585.78, 9,087.31 and 3,753.21 is: 5,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,585.78 : 9,087.31 = 3,753.21 : x
  2. Step 2: Convert to fraction form
    6,585.78/9,087.31 = 3,753.21/x
  3. Step 3: Cross multiply
    6,585.78x = 9,087.31 × 3,753.21
  4. Step 4: Simplify right side
    6,585.78x = 34,106,582.77
  5. Step 5: Solve for x
    x = 34,106,582.77/6,585.78
  6. Step 6: Final answer
    x = 5,178.82

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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.