Home / 4,431.39-6,647.69-1,509.32

Finding the Fourth Proportional to 4,431.39, 6,647.69 and 1,509.32

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Solution

The fourth proportional to 4,431.39, 6,647.69 and 1,509.32 is: 2,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.39 : 6,647.69 = 1,509.32 : x
  2. Step 2: Convert to fraction form
    4,431.39/6,647.69 = 1,509.32/x
  3. Step 3: Cross multiply
    4,431.39x = 6,647.69 × 1,509.32
  4. Step 4: Simplify right side
    4,431.39x = 10,033,462.01
  5. Step 5: Solve for x
    x = 10,033,462.01/4,431.39
  6. Step 6: Final answer
    x = 2,264.18

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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.