Home / 8,148.60-11,228.94-5,784.12

Finding the Fourth Proportional to 8,148.60, 11,228.94 and 5,784.12

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Solution

The fourth proportional to 8,148.60, 11,228.94 and 5,784.12 is: 7,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.60 : 11,228.94 = 5,784.12 : x
  2. Step 2: Convert to fraction form
    8,148.60/11,228.94 = 5,784.12/x
  3. Step 3: Cross multiply
    8,148.60x = 11,228.94 × 5,784.12
  4. Step 4: Simplify right side
    8,148.60x = 64,949,536.43
  5. Step 5: Solve for x
    x = 64,949,536.43/8,148.60
  6. Step 6: Final answer
    x = 7,970.64

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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.