Home / 5,077.54-7,615.84-2,447.13

Finding the Fourth Proportional to 5,077.54, 7,615.84 and 2,447.13

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Solution

The fourth proportional to 5,077.54, 7,615.84 and 2,447.13 is: 3,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.54 : 7,615.84 = 2,447.13 : x
  2. Step 2: Convert to fraction form
    5,077.54/7,615.84 = 2,447.13/x
  3. Step 3: Cross multiply
    5,077.54x = 7,615.84 × 2,447.13
  4. Step 4: Simplify right side
    5,077.54x = 18,636,950.54
  5. Step 5: Solve for x
    x = 18,636,950.54/5,077.54
  6. Step 6: Final answer
    x = 3,670.47

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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.