Home / 5,585.18-8,377.74-1,425.17

Finding the Fourth Proportional to 5,585.18, 8,377.74 and 1,425.17

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Solution

The fourth proportional to 5,585.18, 8,377.74 and 1,425.17 is: 2,137.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.18 : 8,377.74 = 1,425.17 : x
  2. Step 2: Convert to fraction form
    5,585.18/8,377.74 = 1,425.17/x
  3. Step 3: Cross multiply
    5,585.18x = 8,377.74 × 1,425.17
  4. Step 4: Simplify right side
    5,585.18x = 11,939,703.72
  5. Step 5: Solve for x
    x = 11,939,703.72/5,585.18
  6. Step 6: Final answer
    x = 2,137.75

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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.