Home / 8,223.12-11,348.10-4,686.66

Finding the Fourth Proportional to 8,223.12, 11,348.10 and 4,686.66

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Solution

The fourth proportional to 8,223.12, 11,348.10 and 4,686.66 is: 6,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.12 : 11,348.10 = 4,686.66 : x
  2. Step 2: Convert to fraction form
    8,223.12/11,348.10 = 4,686.66/x
  3. Step 3: Cross multiply
    8,223.12x = 11,348.10 × 4,686.66
  4. Step 4: Simplify right side
    8,223.12x = 53,184,686.35
  5. Step 5: Solve for x
    x = 53,184,686.35/8,223.12
  6. Step 6: Final answer
    x = 6,467.70

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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.