Home / 4,281.85-6,426.02-1,818.40

Finding the Fourth Proportional to 4,281.85, 6,426.02 and 1,818.40

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Solution

The fourth proportional to 4,281.85, 6,426.02 and 1,818.40 is: 2,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.85 : 6,426.02 = 1,818.40 : x
  2. Step 2: Convert to fraction form
    4,281.85/6,426.02 = 1,818.40/x
  3. Step 3: Cross multiply
    4,281.85x = 6,426.02 × 1,818.40
  4. Step 4: Simplify right side
    4,281.85x = 11,685,072.74
  5. Step 5: Solve for x
    x = 11,685,072.74/4,281.85
  6. Step 6: Final answer
    x = 2,728.98

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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.