Home / 4,292.10-6,436.26-1,370.70

Finding the Fourth Proportional to 4,292.10, 6,436.26 and 1,370.70

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Solution

The fourth proportional to 4,292.10, 6,436.26 and 1,370.70 is: 2,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.10 : 6,436.26 = 1,370.70 : x
  2. Step 2: Convert to fraction form
    4,292.10/6,436.26 = 1,370.70/x
  3. Step 3: Cross multiply
    4,292.10x = 6,436.26 × 1,370.70
  4. Step 4: Simplify right side
    4,292.10x = 8,822,181.58
  5. Step 5: Solve for x
    x = 8,822,181.58/4,292.10
  6. Step 6: Final answer
    x = 2,055.45

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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.