Home / 8,135.07-11,229.49-5,303.13

Finding the Fourth Proportional to 8,135.07, 11,229.49 and 5,303.13

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Solution

The fourth proportional to 8,135.07, 11,229.49 and 5,303.13 is: 7,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.07 : 11,229.49 = 5,303.13 : x
  2. Step 2: Convert to fraction form
    8,135.07/11,229.49 = 5,303.13/x
  3. Step 3: Cross multiply
    8,135.07x = 11,229.49 × 5,303.13
  4. Step 4: Simplify right side
    8,135.07x = 59,551,445.30
  5. Step 5: Solve for x
    x = 59,551,445.30/8,135.07
  6. Step 6: Final answer
    x = 7,320.34

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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.