Home / 8,889.90-13,330.29-5,199.34

Finding the Fourth Proportional to 8,889.90, 13,330.29 and 5,199.34

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Solution

The fourth proportional to 8,889.90, 13,330.29 and 5,199.34 is: 7,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.90 : 13,330.29 = 5,199.34 : x
  2. Step 2: Convert to fraction form
    8,889.90/13,330.29 = 5,199.34/x
  3. Step 3: Cross multiply
    8,889.90x = 13,330.29 × 5,199.34
  4. Step 4: Simplify right side
    8,889.90x = 69,308,710.01
  5. Step 5: Solve for x
    x = 69,308,710.01/8,889.90
  6. Step 6: Final answer
    x = 7,796.34

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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.