Home / 4,681.90-7,023.15-1,394.72

Finding the Fourth Proportional to 4,681.90, 7,023.15 and 1,394.72

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Solution

The fourth proportional to 4,681.90, 7,023.15 and 1,394.72 is: 2,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.90 : 7,023.15 = 1,394.72 : x
  2. Step 2: Convert to fraction form
    4,681.90/7,023.15 = 1,394.72/x
  3. Step 3: Cross multiply
    4,681.90x = 7,023.15 × 1,394.72
  4. Step 4: Simplify right side
    4,681.90x = 9,795,292.65
  5. Step 5: Solve for x
    x = 9,795,292.65/4,681.90
  6. Step 6: Final answer
    x = 2,092.16

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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.