Home / 4,290.48-6,434.64-1,367.28

Finding the Fourth Proportional to 4,290.48, 6,434.64 and 1,367.28

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Solution

The fourth proportional to 4,290.48, 6,434.64 and 1,367.28 is: 2,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.48 : 6,434.64 = 1,367.28 : x
  2. Step 2: Convert to fraction form
    4,290.48/6,434.64 = 1,367.28/x
  3. Step 3: Cross multiply
    4,290.48x = 6,434.64 × 1,367.28
  4. Step 4: Simplify right side
    4,290.48x = 8,797,954.58
  5. Step 5: Solve for x
    x = 8,797,954.58/4,290.48
  6. Step 6: Final answer
    x = 2,050.58

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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.