Home / 8,446.80-11,655.57-4,669.45

Finding the Fourth Proportional to 8,446.80, 11,655.57 and 4,669.45

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Solution

The fourth proportional to 8,446.80, 11,655.57 and 4,669.45 is: 6,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.80 : 11,655.57 = 4,669.45 : x
  2. Step 2: Convert to fraction form
    8,446.80/11,655.57 = 4,669.45/x
  3. Step 3: Cross multiply
    8,446.80x = 11,655.57 × 4,669.45
  4. Step 4: Simplify right side
    8,446.80x = 54,425,101.34
  5. Step 5: Solve for x
    x = 54,425,101.34/8,446.80
  6. Step 6: Final answer
    x = 6,443.28

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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.