Home / 8,445.30-11,654.96-4,860.80

Finding the Fourth Proportional to 8,445.30, 11,654.96 and 4,860.80

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Solution

The fourth proportional to 8,445.30, 11,654.96 and 4,860.80 is: 6,708.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.30 : 11,654.96 = 4,860.80 : x
  2. Step 2: Convert to fraction form
    8,445.30/11,654.96 = 4,860.80/x
  3. Step 3: Cross multiply
    8,445.30x = 11,654.96 × 4,860.80
  4. Step 4: Simplify right side
    8,445.30x = 56,652,489.07
  5. Step 5: Solve for x
    x = 56,652,489.07/8,445.30
  6. Step 6: Final answer
    x = 6,708.17

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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.