Home / 4,278.69-6,418.27-1,357.23

Finding the Fourth Proportional to 4,278.69, 6,418.27 and 1,357.23

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Solution

The fourth proportional to 4,278.69, 6,418.27 and 1,357.23 is: 2,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.69 : 6,418.27 = 1,357.23 : x
  2. Step 2: Convert to fraction form
    4,278.69/6,418.27 = 1,357.23/x
  3. Step 3: Cross multiply
    4,278.69x = 6,418.27 × 1,357.23
  4. Step 4: Simplify right side
    4,278.69x = 8,711,068.59
  5. Step 5: Solve for x
    x = 8,711,068.59/4,278.69
  6. Step 6: Final answer
    x = 2,035.92

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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.