Home / 4,285.19-6,426.68-1,818.74

Finding the Fourth Proportional to 4,285.19, 6,426.68 and 1,818.74

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Solution

The fourth proportional to 4,285.19, 6,426.68 and 1,818.74 is: 2,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.19 : 6,426.68 = 1,818.74 : x
  2. Step 2: Convert to fraction form
    4,285.19/6,426.68 = 1,818.74/x
  3. Step 3: Cross multiply
    4,285.19x = 6,426.68 × 1,818.74
  4. Step 4: Simplify right side
    4,285.19x = 11,688,466.96
  5. Step 5: Solve for x
    x = 11,688,466.96/4,285.19
  6. Step 6: Final answer
    x = 2,727.64

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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.