Home / 4,192.50-6,291.63-1,456.50

Finding the Fourth Proportional to 4,192.50, 6,291.63 and 1,456.50

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Solution

The fourth proportional to 4,192.50, 6,291.63 and 1,456.50 is: 2,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.50 : 6,291.63 = 1,456.50 : x
  2. Step 2: Convert to fraction form
    4,192.50/6,291.63 = 1,456.50/x
  3. Step 3: Cross multiply
    4,192.50x = 6,291.63 × 1,456.50
  4. Step 4: Simplify right side
    4,192.50x = 9,163,759.10
  5. Step 5: Solve for x
    x = 9,163,759.10/4,192.50
  6. Step 6: Final answer
    x = 2,185.75

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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.