Home / 8,347.13-12,520.70-2,503.75

Finding the Fourth Proportional to 8,347.13, 12,520.70 and 2,503.75

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Solution

The fourth proportional to 8,347.13, 12,520.70 and 2,503.75 is: 3,755.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.13 : 12,520.70 = 2,503.75 : x
  2. Step 2: Convert to fraction form
    8,347.13/12,520.70 = 2,503.75/x
  3. Step 3: Cross multiply
    8,347.13x = 12,520.70 × 2,503.75
  4. Step 4: Simplify right side
    8,347.13x = 31,348,702.63
  5. Step 5: Solve for x
    x = 31,348,702.63/8,347.13
  6. Step 6: Final answer
    x = 3,755.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.