Home / 8,272.32-11,416-4,736.64

Finding the Fourth Proportional to 8,272.32, 11,416 and 4,736.64

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Solution

The fourth proportional to 8,272.32, 11,416 and 4,736.64 is: 6,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.32 : 11,416 = 4,736.64 : x
  2. Step 2: Convert to fraction form
    8,272.32/11,416 = 4,736.64/x
  3. Step 3: Cross multiply
    8,272.32x = 11,416 × 4,736.64
  4. Step 4: Simplify right side
    8,272.32x = 54,073,482.24
  5. Step 5: Solve for x
    x = 54,073,482.24/8,272.32
  6. Step 6: Final answer
    x = 6,536.68

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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.