Home / 8,427.96-11,630.52-4,891.50

Finding the Fourth Proportional to 8,427.96, 11,630.52 and 4,891.50

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Solution

The fourth proportional to 8,427.96, 11,630.52 and 4,891.50 is: 6,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.96 : 11,630.52 = 4,891.50 : x
  2. Step 2: Convert to fraction form
    8,427.96/11,630.52 = 4,891.50/x
  3. Step 3: Cross multiply
    8,427.96x = 11,630.52 × 4,891.50
  4. Step 4: Simplify right side
    8,427.96x = 56,890,688.58
  5. Step 5: Solve for x
    x = 56,890,688.58/8,427.96
  6. Step 6: Final answer
    x = 6,750.23

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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.