Home / 8,036.20-11,090.10-4,499.40

Finding the Fourth Proportional to 8,036.20, 11,090.10 and 4,499.40

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Solution

The fourth proportional to 8,036.20, 11,090.10 and 4,499.40 is: 6,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,036.20 : 11,090.10 = 4,499.40 : x
  2. Step 2: Convert to fraction form
    8,036.20/11,090.10 = 4,499.40/x
  3. Step 3: Cross multiply
    8,036.20x = 11,090.10 × 4,499.40
  4. Step 4: Simplify right side
    8,036.20x = 49,898,795.94
  5. Step 5: Solve for x
    x = 49,898,795.94/8,036.20
  6. Step 6: Final answer
    x = 6,209.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.