Home / 8,558.66-12,832.45-5,628.08

Finding the Fourth Proportional to 8,558.66, 12,832.45 and 5,628.08

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Solution

The fourth proportional to 8,558.66, 12,832.45 and 5,628.08 is: 8,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.66 : 12,832.45 = 5,628.08 : x
  2. Step 2: Convert to fraction form
    8,558.66/12,832.45 = 5,628.08/x
  3. Step 3: Cross multiply
    8,558.66x = 12,832.45 × 5,628.08
  4. Step 4: Simplify right side
    8,558.66x = 72,222,055.20
  5. Step 5: Solve for x
    x = 72,222,055.20/8,558.66
  6. Step 6: Final answer
    x = 8,438.48

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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.