Home / 4,647.12-6,969.29-2,454.65

Finding the Fourth Proportional to 4,647.12, 6,969.29 and 2,454.65

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Solution

The fourth proportional to 4,647.12, 6,969.29 and 2,454.65 is: 3,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.12 : 6,969.29 = 2,454.65 : x
  2. Step 2: Convert to fraction form
    4,647.12/6,969.29 = 2,454.65/x
  3. Step 3: Cross multiply
    4,647.12x = 6,969.29 × 2,454.65
  4. Step 4: Simplify right side
    4,647.12x = 17,107,199.72
  5. Step 5: Solve for x
    x = 17,107,199.72/4,647.12
  6. Step 6: Final answer
    x = 3,681.25

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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.