Home / 8,285.64-11,434.17-4,508.79

Finding the Fourth Proportional to 8,285.64, 11,434.17 and 4,508.79

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Solution

The fourth proportional to 8,285.64, 11,434.17 and 4,508.79 is: 6,222.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.64 : 11,434.17 = 4,508.79 : x
  2. Step 2: Convert to fraction form
    8,285.64/11,434.17 = 4,508.79/x
  3. Step 3: Cross multiply
    8,285.64x = 11,434.17 × 4,508.79
  4. Step 4: Simplify right side
    8,285.64x = 51,554,271.35
  5. Step 5: Solve for x
    x = 51,554,271.35/8,285.64
  6. Step 6: Final answer
    x = 6,222.12

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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.