Home / 6,436.77-9,649.68-2,543.91

Finding the Fourth Proportional to 6,436.77, 9,649.68 and 2,543.91

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Solution

The fourth proportional to 6,436.77, 9,649.68 and 2,543.91 is: 3,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.77 : 9,649.68 = 2,543.91 : x
  2. Step 2: Convert to fraction form
    6,436.77/9,649.68 = 2,543.91/x
  3. Step 3: Cross multiply
    6,436.77x = 9,649.68 × 2,543.91
  4. Step 4: Simplify right side
    6,436.77x = 24,547,917.45
  5. Step 5: Solve for x
    x = 24,547,917.45/6,436.77
  6. Step 6: Final answer
    x = 3,813.70

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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.