Home / 8,090.99-12,117.33-5,160.41

Finding the Fourth Proportional to 8,090.99, 12,117.33 and 5,160.41

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Solution

The fourth proportional to 8,090.99, 12,117.33 and 5,160.41 is: 7,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.99 : 12,117.33 = 5,160.41 : x
  2. Step 2: Convert to fraction form
    8,090.99/12,117.33 = 5,160.41/x
  3. Step 3: Cross multiply
    8,090.99x = 12,117.33 × 5,160.41
  4. Step 4: Simplify right side
    8,090.99x = 62,530,330.32
  5. Step 5: Solve for x
    x = 62,530,330.32/8,090.99
  6. Step 6: Final answer
    x = 7,728.40

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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.