Home / 8,813.34-13,219.92-2,657.34

Finding the Fourth Proportional to 8,813.34, 13,219.92 and 2,657.34

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Solution

The fourth proportional to 8,813.34, 13,219.92 and 2,657.34 is: 3,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.34 : 13,219.92 = 2,657.34 : x
  2. Step 2: Convert to fraction form
    8,813.34/13,219.92 = 2,657.34/x
  3. Step 3: Cross multiply
    8,813.34x = 13,219.92 × 2,657.34
  4. Step 4: Simplify right side
    8,813.34x = 35,129,822.21
  5. Step 5: Solve for x
    x = 35,129,822.21/8,813.34
  6. Step 6: Final answer
    x = 3,985.98

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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.