Home / 8,518.32-11,755.04-4,741.47

Finding the Fourth Proportional to 8,518.32, 11,755.04 and 4,741.47

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Solution

The fourth proportional to 8,518.32, 11,755.04 and 4,741.47 is: 6,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.32 : 11,755.04 = 4,741.47 : x
  2. Step 2: Convert to fraction form
    8,518.32/11,755.04 = 4,741.47/x
  3. Step 3: Cross multiply
    8,518.32x = 11,755.04 × 4,741.47
  4. Step 4: Simplify right side
    8,518.32x = 55,736,145.80
  5. Step 5: Solve for x
    x = 55,736,145.80/8,518.32
  6. Step 6: Final answer
    x = 6,543.09

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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.