Home / 6,914.90-9,539.84-4,257.70

Finding the Fourth Proportional to 6,914.90, 9,539.84 and 4,257.70

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Solution

The fourth proportional to 6,914.90, 9,539.84 and 4,257.70 is: 5,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.90 : 9,539.84 = 4,257.70 : x
  2. Step 2: Convert to fraction form
    6,914.90/9,539.84 = 4,257.70/x
  3. Step 3: Cross multiply
    6,914.90x = 9,539.84 × 4,257.70
  4. Step 4: Simplify right side
    6,914.90x = 40,617,776.77
  5. Step 5: Solve for x
    x = 40,617,776.77/6,914.90
  6. Step 6: Final answer
    x = 5,873.95

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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.