Home / 6,475.54-8,935.77-3,680.50

Finding the Fourth Proportional to 6,475.54, 8,935.77 and 3,680.50

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Solution

The fourth proportional to 6,475.54, 8,935.77 and 3,680.50 is: 5,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.54 : 8,935.77 = 3,680.50 : x
  2. Step 2: Convert to fraction form
    6,475.54/8,935.77 = 3,680.50/x
  3. Step 3: Cross multiply
    6,475.54x = 8,935.77 × 3,680.50
  4. Step 4: Simplify right side
    6,475.54x = 32,888,101.49
  5. Step 5: Solve for x
    x = 32,888,101.49/6,475.54
  6. Step 6: Final answer
    x = 5,078.82

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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.