Home / 4,431.21-6,646.41-1,509.18

Finding the Fourth Proportional to 4,431.21, 6,646.41 and 1,509.18

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Solution

The fourth proportional to 4,431.21, 6,646.41 and 1,509.18 is: 2,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.21 : 6,646.41 = 1,509.18 : x
  2. Step 2: Convert to fraction form
    4,431.21/6,646.41 = 1,509.18/x
  3. Step 3: Cross multiply
    4,431.21x = 6,646.41 × 1,509.18
  4. Step 4: Simplify right side
    4,431.21x = 10,030,629.04
  5. Step 5: Solve for x
    x = 10,030,629.04/4,431.21
  6. Step 6: Final answer
    x = 2,263.63

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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.