Home / 8,290.52-11,446.43-6,372.94

Finding the Fourth Proportional to 8,290.52, 11,446.43 and 6,372.94

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Solution

The fourth proportional to 8,290.52, 11,446.43 and 6,372.94 is: 8,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.52 : 11,446.43 = 6,372.94 : x
  2. Step 2: Convert to fraction form
    8,290.52/11,446.43 = 6,372.94/x
  3. Step 3: Cross multiply
    8,290.52x = 11,446.43 × 6,372.94
  4. Step 4: Simplify right side
    8,290.52x = 72,947,411.60
  5. Step 5: Solve for x
    x = 72,947,411.60/8,290.52
  6. Step 6: Final answer
    x = 8,798.89

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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.