Home / 8,866.40-12,237.73-5,511.74

Finding the Fourth Proportional to 8,866.40, 12,237.73 and 5,511.74

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Solution

The fourth proportional to 8,866.40, 12,237.73 and 5,511.74 is: 7,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.40 : 12,237.73 = 5,511.74 : x
  2. Step 2: Convert to fraction form
    8,866.40/12,237.73 = 5,511.74/x
  3. Step 3: Cross multiply
    8,866.40x = 12,237.73 × 5,511.74
  4. Step 4: Simplify right side
    8,866.40x = 67,451,110.98
  5. Step 5: Solve for x
    x = 67,451,110.98/8,866.40
  6. Step 6: Final answer
    x = 7,607.50

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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.