Home / 8,411.87-11,610.43-4,877.12

Finding the Fourth Proportional to 8,411.87, 11,610.43 and 4,877.12

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Solution

The fourth proportional to 8,411.87, 11,610.43 and 4,877.12 is: 6,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.87 : 11,610.43 = 4,877.12 : x
  2. Step 2: Convert to fraction form
    8,411.87/11,610.43 = 4,877.12/x
  3. Step 3: Cross multiply
    8,411.87x = 11,610.43 × 4,877.12
  4. Step 4: Simplify right side
    8,411.87x = 56,625,477.19
  5. Step 5: Solve for x
    x = 56,625,477.19/8,411.87
  6. Step 6: Final answer
    x = 6,731.61

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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.