Home / 8,407.50-11,603.17-6,279.33

Finding the Fourth Proportional to 8,407.50, 11,603.17 and 6,279.33

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Solution

The fourth proportional to 8,407.50, 11,603.17 and 6,279.33 is: 8,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.50 : 11,603.17 = 6,279.33 : x
  2. Step 2: Convert to fraction form
    8,407.50/11,603.17 = 6,279.33/x
  3. Step 3: Cross multiply
    8,407.50x = 11,603.17 × 6,279.33
  4. Step 4: Simplify right side
    8,407.50x = 72,860,158.35
  5. Step 5: Solve for x
    x = 72,860,158.35/8,407.50
  6. Step 6: Final answer
    x = 8,666.09

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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.