Home / 9,178.31-13,762.44-2,851.47

Finding the Fourth Proportional to 9,178.31, 13,762.44 and 2,851.47

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Solution

The fourth proportional to 9,178.31, 13,762.44 and 2,851.47 is: 4,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.31 : 13,762.44 = 2,851.47 : x
  2. Step 2: Convert to fraction form
    9,178.31/13,762.44 = 2,851.47/x
  3. Step 3: Cross multiply
    9,178.31x = 13,762.44 × 2,851.47
  4. Step 4: Simplify right side
    9,178.31x = 39,243,184.79
  5. Step 5: Solve for x
    x = 39,243,184.79/9,178.31
  6. Step 6: Final answer
    x = 4,275.64

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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.