Home / 6,257.40-8,634.74-3,424.14

Finding the Fourth Proportional to 6,257.40, 8,634.74 and 3,424.14

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Solution

The fourth proportional to 6,257.40, 8,634.74 and 3,424.14 is: 4,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.40 : 8,634.74 = 3,424.14 : x
  2. Step 2: Convert to fraction form
    6,257.40/8,634.74 = 3,424.14/x
  3. Step 3: Cross multiply
    6,257.40x = 8,634.74 × 3,424.14
  4. Step 4: Simplify right side
    6,257.40x = 29,566,541.50
  5. Step 5: Solve for x
    x = 29,566,541.50/6,257.40
  6. Step 6: Final answer
    x = 4,725.05

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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.