Home / 8,446.10-11,655.32-4,669.20

Finding the Fourth Proportional to 8,446.10, 11,655.32 and 4,669.20

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Solution

The fourth proportional to 8,446.10, 11,655.32 and 4,669.20 is: 6,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.10 : 11,655.32 = 4,669.20 : x
  2. Step 2: Convert to fraction form
    8,446.10/11,655.32 = 4,669.20/x
  3. Step 3: Cross multiply
    8,446.10x = 11,655.32 × 4,669.20
  4. Step 4: Simplify right side
    8,446.10x = 54,421,020.14
  5. Step 5: Solve for x
    x = 54,421,020.14/8,446.10
  6. Step 6: Final answer
    x = 6,443.33

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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.