Home / 6,186.34-9,278.52-1,802.78

Finding the Fourth Proportional to 6,186.34, 9,278.52 and 1,802.78

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Solution

The fourth proportional to 6,186.34, 9,278.52 and 1,802.78 is: 2,703.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.34 : 9,278.52 = 1,802.78 : x
  2. Step 2: Convert to fraction form
    6,186.34/9,278.52 = 1,802.78/x
  3. Step 3: Cross multiply
    6,186.34x = 9,278.52 × 1,802.78
  4. Step 4: Simplify right side
    6,186.34x = 16,727,083.89
  5. Step 5: Solve for x
    x = 16,727,083.89/6,186.34
  6. Step 6: Final answer
    x = 2,703.87

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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.