Home / 5,020.08-7,537.68-3,080.40

Finding the Fourth Proportional to 5,020.08, 7,537.68 and 3,080.40

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Solution

The fourth proportional to 5,020.08, 7,537.68 and 3,080.40 is: 4,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.08 : 7,537.68 = 3,080.40 : x
  2. Step 2: Convert to fraction form
    5,020.08/7,537.68 = 3,080.40/x
  3. Step 3: Cross multiply
    5,020.08x = 7,537.68 × 3,080.40
  4. Step 4: Simplify right side
    5,020.08x = 23,219,069.47
  5. Step 5: Solve for x
    x = 23,219,069.47/5,020.08
  6. Step 6: Final answer
    x = 4,625.24

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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.