Home / 8,898.96-12,283.00-5,539.78

Finding the Fourth Proportional to 8,898.96, 12,283.00 and 5,539.78

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Solution

The fourth proportional to 8,898.96, 12,283.00 and 5,539.78 is: 7,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.96 : 12,283.00 = 5,539.78 : x
  2. Step 2: Convert to fraction form
    8,898.96/12,283.00 = 5,539.78/x
  3. Step 3: Cross multiply
    8,898.96x = 12,283.00 × 5,539.78
  4. Step 4: Simplify right side
    8,898.96x = 68,045,093.96
  5. Step 5: Solve for x
    x = 68,045,093.96/8,898.96
  6. Step 6: Final answer
    x = 7,646.41

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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.