Home / 5,353.62-8,030.15-2,720.31

Finding the Fourth Proportional to 5,353.62, 8,030.15 and 2,720.31

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Solution

The fourth proportional to 5,353.62, 8,030.15 and 2,720.31 is: 4,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.62 : 8,030.15 = 2,720.31 : x
  2. Step 2: Convert to fraction form
    5,353.62/8,030.15 = 2,720.31/x
  3. Step 3: Cross multiply
    5,353.62x = 8,030.15 × 2,720.31
  4. Step 4: Simplify right side
    5,353.62x = 21,844,497.35
  5. Step 5: Solve for x
    x = 21,844,497.35/5,353.62
  6. Step 6: Final answer
    x = 4,080.32

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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.