Home / 8,784.72-13,175.64-2,941.32

Finding the Fourth Proportional to 8,784.72, 13,175.64 and 2,941.32

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Solution

The fourth proportional to 8,784.72, 13,175.64 and 2,941.32 is: 4,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.72 : 13,175.64 = 2,941.32 : x
  2. Step 2: Convert to fraction form
    8,784.72/13,175.64 = 2,941.32/x
  3. Step 3: Cross multiply
    8,784.72x = 13,175.64 × 2,941.32
  4. Step 4: Simplify right side
    8,784.72x = 38,753,773.44
  5. Step 5: Solve for x
    x = 38,753,773.44/8,784.72
  6. Step 6: Final answer
    x = 4,411.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.