Home / 4,284.37-6,423.80-1,818.53

Finding the Fourth Proportional to 4,284.37, 6,423.80 and 1,818.53

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Solution

The fourth proportional to 4,284.37, 6,423.80 and 1,818.53 is: 2,726.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.37 : 6,423.80 = 1,818.53 : x
  2. Step 2: Convert to fraction form
    4,284.37/6,423.80 = 1,818.53/x
  3. Step 3: Cross multiply
    4,284.37x = 6,423.80 × 1,818.53
  4. Step 4: Simplify right side
    4,284.37x = 11,681,873.01
  5. Step 5: Solve for x
    x = 11,681,873.01/4,284.37
  6. Step 6: Final answer
    x = 2,726.63

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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.