Home / 4,280.70-6,412.26-2,087.58

Finding the Fourth Proportional to 4,280.70, 6,412.26 and 2,087.58

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Solution

The fourth proportional to 4,280.70, 6,412.26 and 2,087.58 is: 3,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.70 : 6,412.26 = 2,087.58 : x
  2. Step 2: Convert to fraction form
    4,280.70/6,412.26 = 2,087.58/x
  3. Step 3: Cross multiply
    4,280.70x = 6,412.26 × 2,087.58
  4. Step 4: Simplify right side
    4,280.70x = 13,386,105.73
  5. Step 5: Solve for x
    x = 13,386,105.73/4,280.70
  6. Step 6: Final answer
    x = 3,127.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.