Home / 8,728.19-13,090.32-2,488.07

Finding the Fourth Proportional to 8,728.19, 13,090.32 and 2,488.07

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Solution

The fourth proportional to 8,728.19, 13,090.32 and 2,488.07 is: 3,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.19 : 13,090.32 = 2,488.07 : x
  2. Step 2: Convert to fraction form
    8,728.19/13,090.32 = 2,488.07/x
  3. Step 3: Cross multiply
    8,728.19x = 13,090.32 × 2,488.07
  4. Step 4: Simplify right side
    8,728.19x = 32,569,620.04
  5. Step 5: Solve for x
    x = 32,569,620.04/8,728.19
  6. Step 6: Final answer
    x = 3,731.54

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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.