Home / 8,898.02-13,328.55-5,189

Finding the Fourth Proportional to 8,898.02, 13,328.55 and 5,189

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Solution

The fourth proportional to 8,898.02, 13,328.55 and 5,189 is: 7,772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.02 : 13,328.55 = 5,189 : x
  2. Step 2: Convert to fraction form
    8,898.02/13,328.55 = 5,189/x
  3. Step 3: Cross multiply
    8,898.02x = 13,328.55 × 5,189
  4. Step 4: Simplify right side
    8,898.02x = 69,161,845.95
  5. Step 5: Solve for x
    x = 69,161,845.95/8,898.02
  6. Step 6: Final answer
    x = 7,772.72

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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.