Home / 6,888.17-10,328.36-3,185.81

Finding the Fourth Proportional to 6,888.17, 10,328.36 and 3,185.81

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Solution

The fourth proportional to 6,888.17, 10,328.36 and 3,185.81 is: 4,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.17 : 10,328.36 = 3,185.81 : x
  2. Step 2: Convert to fraction form
    6,888.17/10,328.36 = 3,185.81/x
  3. Step 3: Cross multiply
    6,888.17x = 10,328.36 × 3,185.81
  4. Step 4: Simplify right side
    6,888.17x = 32,904,192.57
  5. Step 5: Solve for x
    x = 32,904,192.57/6,888.17
  6. Step 6: Final answer
    x = 4,776.92

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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.