Home / 6,870.07-10,305.11-2,486.51

Finding the Fourth Proportional to 6,870.07, 10,305.11 and 2,486.51

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Solution

The fourth proportional to 6,870.07, 10,305.11 and 2,486.51 is: 3,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.07 : 10,305.11 = 2,486.51 : x
  2. Step 2: Convert to fraction form
    6,870.07/10,305.11 = 2,486.51/x
  3. Step 3: Cross multiply
    6,870.07x = 10,305.11 × 2,486.51
  4. Step 4: Simplify right side
    6,870.07x = 25,623,759.07
  5. Step 5: Solve for x
    x = 25,623,759.07/6,870.07
  6. Step 6: Final answer
    x = 3,729.77

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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.