Home / 4,720.64-7,080.96-1,433.75

Finding the Fourth Proportional to 4,720.64, 7,080.96 and 1,433.75

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Solution

The fourth proportional to 4,720.64, 7,080.96 and 1,433.75 is: 2,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.64 : 7,080.96 = 1,433.75 : x
  2. Step 2: Convert to fraction form
    4,720.64/7,080.96 = 1,433.75/x
  3. Step 3: Cross multiply
    4,720.64x = 7,080.96 × 1,433.75
  4. Step 4: Simplify right side
    4,720.64x = 10,152,326.40
  5. Step 5: Solve for x
    x = 10,152,326.40/4,720.64
  6. Step 6: Final answer
    x = 2,150.63

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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.