Home / 8,354.48-11,530.56-6,361.28

Finding the Fourth Proportional to 8,354.48, 11,530.56 and 6,361.28

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Solution

The fourth proportional to 8,354.48, 11,530.56 and 6,361.28 is: 8,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.48 : 11,530.56 = 6,361.28 : x
  2. Step 2: Convert to fraction form
    8,354.48/11,530.56 = 6,361.28/x
  3. Step 3: Cross multiply
    8,354.48x = 11,530.56 × 6,361.28
  4. Step 4: Simplify right side
    8,354.48x = 73,349,120.72
  5. Step 5: Solve for x
    x = 73,349,120.72/8,354.48
  6. Step 6: Final answer
    x = 8,779.62

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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.