Home / 8,100.25-11,178.35-4,374.25

Finding the Fourth Proportional to 8,100.25, 11,178.35 and 4,374.25

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Solution

The fourth proportional to 8,100.25, 11,178.35 and 4,374.25 is: 6,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.25 : 11,178.35 = 4,374.25 : x
  2. Step 2: Convert to fraction form
    8,100.25/11,178.35 = 4,374.25/x
  3. Step 3: Cross multiply
    8,100.25x = 11,178.35 × 4,374.25
  4. Step 4: Simplify right side
    8,100.25x = 48,896,875.62
  5. Step 5: Solve for x
    x = 48,896,875.62/8,100.25
  6. Step 6: Final answer
    x = 6,036.47

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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.