Home / 8,887.90-13,327.29-5,197.34

Finding the Fourth Proportional to 8,887.90, 13,327.29 and 5,197.34

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Solution

The fourth proportional to 8,887.90, 13,327.29 and 5,197.34 is: 7,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.90 : 13,327.29 = 5,197.34 : x
  2. Step 2: Convert to fraction form
    8,887.90/13,327.29 = 5,197.34/x
  3. Step 3: Cross multiply
    8,887.90x = 13,327.29 × 5,197.34
  4. Step 4: Simplify right side
    8,887.90x = 69,266,457.41
  5. Step 5: Solve for x
    x = 69,266,457.41/8,887.90
  6. Step 6: Final answer
    x = 7,793.34

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1.5x scale

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.