Home / 4,087.71-6,132.47-1,490.63

Finding the Fourth Proportional to 4,087.71, 6,132.47 and 1,490.63

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Solution

The fourth proportional to 4,087.71, 6,132.47 and 1,490.63 is: 2,236.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.71 : 6,132.47 = 1,490.63 : x
  2. Step 2: Convert to fraction form
    4,087.71/6,132.47 = 1,490.63/x
  3. Step 3: Cross multiply
    4,087.71x = 6,132.47 × 1,490.63
  4. Step 4: Simplify right side
    4,087.71x = 9,141,205.64
  5. Step 5: Solve for x
    x = 9,141,205.64/4,087.71
  6. Step 6: Final answer
    x = 2,236.27

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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.