Home / 4,290.71-6,437.28-1,369.23

Finding the Fourth Proportional to 4,290.71, 6,437.28 and 1,369.23

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Solution

The fourth proportional to 4,290.71, 6,437.28 and 1,369.23 is: 2,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.71 : 6,437.28 = 1,369.23 : x
  2. Step 2: Convert to fraction form
    4,290.71/6,437.28 = 1,369.23/x
  3. Step 3: Cross multiply
    4,290.71x = 6,437.28 × 1,369.23
  4. Step 4: Simplify right side
    4,290.71x = 8,814,116.89
  5. Step 5: Solve for x
    x = 8,814,116.89/4,290.71
  6. Step 6: Final answer
    x = 2,054.24

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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.