Home / 8,434.23-11,640.05-4,897.23

Finding the Fourth Proportional to 8,434.23, 11,640.05 and 4,897.23

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Solution

The fourth proportional to 8,434.23, 11,640.05 and 4,897.23 is: 6,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.23 : 11,640.05 = 4,897.23 : x
  2. Step 2: Convert to fraction form
    8,434.23/11,640.05 = 4,897.23/x
  3. Step 3: Cross multiply
    8,434.23x = 11,640.05 × 4,897.23
  4. Step 4: Simplify right side
    8,434.23x = 57,004,002.06
  5. Step 5: Solve for x
    x = 57,004,002.06/8,434.23
  6. Step 6: Final answer
    x = 6,758.65

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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.