Home / 4,242.84-6,364.56-1,122.83

Finding the Fourth Proportional to 4,242.84, 6,364.56 and 1,122.83

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Solution

The fourth proportional to 4,242.84, 6,364.56 and 1,122.83 is: 1,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.84 : 6,364.56 = 1,122.83 : x
  2. Step 2: Convert to fraction form
    4,242.84/6,364.56 = 1,122.83/x
  3. Step 3: Cross multiply
    4,242.84x = 6,364.56 × 1,122.83
  4. Step 4: Simplify right side
    4,242.84x = 7,146,287.08
  5. Step 5: Solve for x
    x = 7,146,287.08/4,242.84
  6. Step 6: Final answer
    x = 1,684.32

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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.