Home / 8,090.78-12,113.57-4,133.52

Finding the Fourth Proportional to 8,090.78, 12,113.57 and 4,133.52

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Solution

The fourth proportional to 8,090.78, 12,113.57 and 4,133.52 is: 6,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.78 : 12,113.57 = 4,133.52 : x
  2. Step 2: Convert to fraction form
    8,090.78/12,113.57 = 4,133.52/x
  3. Step 3: Cross multiply
    8,090.78x = 12,113.57 × 4,133.52
  4. Step 4: Simplify right side
    8,090.78x = 50,071,663.20
  5. Step 5: Solve for x
    x = 50,071,663.20/8,090.78
  6. Step 6: Final answer
    x = 6,188.74

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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.