Home / 4,720.01-7,080.02-2,121.13

Finding the Fourth Proportional to 4,720.01, 7,080.02 and 2,121.13

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Solution

The fourth proportional to 4,720.01, 7,080.02 and 2,121.13 is: 3,181.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.01 : 7,080.02 = 2,121.13 : x
  2. Step 2: Convert to fraction form
    4,720.01/7,080.02 = 2,121.13/x
  3. Step 3: Cross multiply
    4,720.01x = 7,080.02 × 2,121.13
  4. Step 4: Simplify right side
    4,720.01x = 15,017,596.82
  5. Step 5: Solve for x
    x = 15,017,596.82/4,720.01
  6. Step 6: Final answer
    x = 3,181.69

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Similar ratio
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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.