Home / 4,128.56-6,192.90-1,531.50

Finding the Fourth Proportional to 4,128.56, 6,192.90 and 1,531.50

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Solution

The fourth proportional to 4,128.56, 6,192.90 and 1,531.50 is: 2,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.56 : 6,192.90 = 1,531.50 : x
  2. Step 2: Convert to fraction form
    4,128.56/6,192.90 = 1,531.50/x
  3. Step 3: Cross multiply
    4,128.56x = 6,192.90 × 1,531.50
  4. Step 4: Simplify right side
    4,128.56x = 9,484,426.35
  5. Step 5: Solve for x
    x = 9,484,426.35/4,128.56
  6. Step 6: Final answer
    x = 2,297.27

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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.