Home / 6,345.14-8,755.90-3,511.76

Finding the Fourth Proportional to 6,345.14, 8,755.90 and 3,511.76

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Solution

The fourth proportional to 6,345.14, 8,755.90 and 3,511.76 is: 4,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.14 : 8,755.90 = 3,511.76 : x
  2. Step 2: Convert to fraction form
    6,345.14/8,755.90 = 3,511.76/x
  3. Step 3: Cross multiply
    6,345.14x = 8,755.90 × 3,511.76
  4. Step 4: Simplify right side
    6,345.14x = 30,748,566.83
  5. Step 5: Solve for x
    x = 30,748,566.83/6,345.14
  6. Step 6: Final answer
    x = 4,846.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.