Home / 7,147.59-10,720.44-4,507.26

Finding the Fourth Proportional to 7,147.59, 10,720.44 and 4,507.26

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Solution

The fourth proportional to 7,147.59, 10,720.44 and 4,507.26 is: 6,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.59 : 10,720.44 = 4,507.26 : x
  2. Step 2: Convert to fraction form
    7,147.59/10,720.44 = 4,507.26/x
  3. Step 3: Cross multiply
    7,147.59x = 10,720.44 × 4,507.26
  4. Step 4: Simplify right side
    7,147.59x = 48,319,810.39
  5. Step 5: Solve for x
    x = 48,319,810.39/7,147.59
  6. Step 6: Final answer
    x = 6,760.29

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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.