Home / 6,411.24-8,833.76-4,311.72

Finding the Fourth Proportional to 6,411.24, 8,833.76 and 4,311.72

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Solution

The fourth proportional to 6,411.24, 8,833.76 and 4,311.72 is: 5,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.24 : 8,833.76 = 4,311.72 : x
  2. Step 2: Convert to fraction form
    6,411.24/8,833.76 = 4,311.72/x
  3. Step 3: Cross multiply
    6,411.24x = 8,833.76 × 4,311.72
  4. Step 4: Simplify right side
    6,411.24x = 38,088,699.67
  5. Step 5: Solve for x
    x = 38,088,699.67/6,411.24
  6. Step 6: Final answer
    x = 5,940.93

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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.