Home / 4,283.42-6,426.10-1,818.32

Finding the Fourth Proportional to 4,283.42, 6,426.10 and 1,818.32

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Solution

The fourth proportional to 4,283.42, 6,426.10 and 1,818.32 is: 2,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.42 : 6,426.10 = 1,818.32 : x
  2. Step 2: Convert to fraction form
    4,283.42/6,426.10 = 1,818.32/x
  3. Step 3: Cross multiply
    4,283.42x = 6,426.10 × 1,818.32
  4. Step 4: Simplify right side
    4,283.42x = 11,684,676.29
  5. Step 5: Solve for x
    x = 11,684,676.29/4,283.42
  6. Step 6: Final answer
    x = 2,727.89

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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.