Home / 6,600.15-9,108.40-4,013.08

Finding the Fourth Proportional to 6,600.15, 9,108.40 and 4,013.08

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Solution

The fourth proportional to 6,600.15, 9,108.40 and 4,013.08 is: 5,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.15 : 9,108.40 = 4,013.08 : x
  2. Step 2: Convert to fraction form
    6,600.15/9,108.40 = 4,013.08/x
  3. Step 3: Cross multiply
    6,600.15x = 9,108.40 × 4,013.08
  4. Step 4: Simplify right side
    6,600.15x = 36,552,734.09
  5. Step 5: Solve for x
    x = 36,552,734.09/6,600.15
  6. Step 6: Final answer
    x = 5,538.17

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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.