Home / 8,434.98-11,640.44-4,898.43

Finding the Fourth Proportional to 8,434.98, 11,640.44 and 4,898.43

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Solution

The fourth proportional to 8,434.98, 11,640.44 and 4,898.43 is: 6,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.98 : 11,640.44 = 4,898.43 : x
  2. Step 2: Convert to fraction form
    8,434.98/11,640.44 = 4,898.43/x
  3. Step 3: Cross multiply
    8,434.98x = 11,640.44 × 4,898.43
  4. Step 4: Simplify right side
    8,434.98x = 57,019,892.76
  5. Step 5: Solve for x
    x = 57,019,892.76/8,434.98
  6. Step 6: Final answer
    x = 6,759.93

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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.