Home / 5,007.08-7,511.84-1,720.22

Finding the Fourth Proportional to 5,007.08, 7,511.84 and 1,720.22

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Solution

The fourth proportional to 5,007.08, 7,511.84 and 1,720.22 is: 2,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.08 : 7,511.84 = 1,720.22 : x
  2. Step 2: Convert to fraction form
    5,007.08/7,511.84 = 1,720.22/x
  3. Step 3: Cross multiply
    5,007.08x = 7,511.84 × 1,720.22
  4. Step 4: Simplify right side
    5,007.08x = 12,921,984.15
  5. Step 5: Solve for x
    x = 12,921,984.15/5,007.08
  6. Step 6: Final answer
    x = 2,580.75

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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.