Home / 4,290.60-6,426.18-3,360.36

Finding the Fourth Proportional to 4,290.60, 6,426.18 and 3,360.36

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Solution

The fourth proportional to 4,290.60, 6,426.18 and 3,360.36 is: 5,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.60 : 6,426.18 = 3,360.36 : x
  2. Step 2: Convert to fraction form
    4,290.60/6,426.18 = 3,360.36/x
  3. Step 3: Cross multiply
    4,290.60x = 6,426.18 × 3,360.36
  4. Step 4: Simplify right side
    4,290.60x = 21,594,278.22
  5. Step 5: Solve for x
    x = 21,594,278.22/4,290.60
  6. Step 6: Final answer
    x = 5,032.93

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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.