Home / 8,601.63-11,872.26-5,612.28

Finding the Fourth Proportional to 8,601.63, 11,872.26 and 5,612.28

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Solution

The fourth proportional to 8,601.63, 11,872.26 and 5,612.28 is: 7,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.63 : 11,872.26 = 5,612.28 : x
  2. Step 2: Convert to fraction form
    8,601.63/11,872.26 = 5,612.28/x
  3. Step 3: Cross multiply
    8,601.63x = 11,872.26 × 5,612.28
  4. Step 4: Simplify right side
    8,601.63x = 66,630,447.35
  5. Step 5: Solve for x
    x = 66,630,447.35/8,601.63
  6. Step 6: Final answer
    x = 7,746.26

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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.