Home / 6,219.84-9,330.12-1,837.38

Finding the Fourth Proportional to 6,219.84, 9,330.12 and 1,837.38

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Solution

The fourth proportional to 6,219.84, 9,330.12 and 1,837.38 is: 2,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.84 : 9,330.12 = 1,837.38 : x
  2. Step 2: Convert to fraction form
    6,219.84/9,330.12 = 1,837.38/x
  3. Step 3: Cross multiply
    6,219.84x = 9,330.12 × 1,837.38
  4. Step 4: Simplify right side
    6,219.84x = 17,142,975.89
  5. Step 5: Solve for x
    x = 17,142,975.89/6,219.84
  6. Step 6: Final answer
    x = 2,756.18

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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.