Home / 8,355.64-11,531.80-4,998.42

Finding the Fourth Proportional to 8,355.64, 11,531.80 and 4,998.42

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Solution

The fourth proportional to 8,355.64, 11,531.80 and 4,998.42 is: 6,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.64 : 11,531.80 = 4,998.42 : x
  2. Step 2: Convert to fraction form
    8,355.64/11,531.80 = 4,998.42/x
  3. Step 3: Cross multiply
    8,355.64x = 11,531.80 × 4,998.42
  4. Step 4: Simplify right side
    8,355.64x = 57,640,779.76
  5. Step 5: Solve for x
    x = 57,640,779.76/8,355.64
  6. Step 6: Final answer
    x = 6,898.43

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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.