Home / 8,446.83-11,655.30-4,909.41

Finding the Fourth Proportional to 8,446.83, 11,655.30 and 4,909.41

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Solution

The fourth proportional to 8,446.83, 11,655.30 and 4,909.41 is: 6,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.83 : 11,655.30 = 4,909.41 : x
  2. Step 2: Convert to fraction form
    8,446.83/11,655.30 = 4,909.41/x
  3. Step 3: Cross multiply
    8,446.83x = 11,655.30 × 4,909.41
  4. Step 4: Simplify right side
    8,446.83x = 57,220,646.37
  5. Step 5: Solve for x
    x = 57,220,646.37/8,446.83
  6. Step 6: Final answer
    x = 6,774.22

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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.