Home / 8,750.94-13,127.85-2,909.34

Finding the Fourth Proportional to 8,750.94, 13,127.85 and 2,909.34

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Solution

The fourth proportional to 8,750.94, 13,127.85 and 2,909.34 is: 4,364.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.94 : 13,127.85 = 2,909.34 : x
  2. Step 2: Convert to fraction form
    8,750.94/13,127.85 = 2,909.34/x
  3. Step 3: Cross multiply
    8,750.94x = 13,127.85 × 2,909.34
  4. Step 4: Simplify right side
    8,750.94x = 38,193,379.12
  5. Step 5: Solve for x
    x = 38,193,379.12/8,750.94
  6. Step 6: Final answer
    x = 4,364.49

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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.