Home / 6,855.28-9,460.44-3,870.95

Finding the Fourth Proportional to 6,855.28, 9,460.44 and 3,870.95

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Solution

The fourth proportional to 6,855.28, 9,460.44 and 3,870.95 is: 5,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.28 : 9,460.44 = 3,870.95 : x
  2. Step 2: Convert to fraction form
    6,855.28/9,460.44 = 3,870.95/x
  3. Step 3: Cross multiply
    6,855.28x = 9,460.44 × 3,870.95
  4. Step 4: Simplify right side
    6,855.28x = 36,620,842.92
  5. Step 5: Solve for x
    x = 36,620,842.92/6,855.28
  6. Step 6: Final answer
    x = 5,341.99

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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.