Home / 5,146.08-7,701.12-3,688.32

Finding the Fourth Proportional to 5,146.08, 7,701.12 and 3,688.32

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Solution

The fourth proportional to 5,146.08, 7,701.12 and 3,688.32 is: 5,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.08 : 7,701.12 = 3,688.32 : x
  2. Step 2: Convert to fraction form
    5,146.08/7,701.12 = 3,688.32/x
  3. Step 3: Cross multiply
    5,146.08x = 7,701.12 × 3,688.32
  4. Step 4: Simplify right side
    5,146.08x = 28,404,194.92
  5. Step 5: Solve for x
    x = 28,404,194.92/5,146.08
  6. Step 6: Final answer
    x = 5,519.58

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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.