Home / 7,851.63-11,777.69-2,304.98

Finding the Fourth Proportional to 7,851.63, 11,777.69 and 2,304.98

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Solution

The fourth proportional to 7,851.63, 11,777.69 and 2,304.98 is: 3,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.63 : 11,777.69 = 2,304.98 : x
  2. Step 2: Convert to fraction form
    7,851.63/11,777.69 = 2,304.98/x
  3. Step 3: Cross multiply
    7,851.63x = 11,777.69 × 2,304.98
  4. Step 4: Simplify right side
    7,851.63x = 27,147,339.90
  5. Step 5: Solve for x
    x = 27,147,339.90/7,851.63
  6. Step 6: Final answer
    x = 3,457.54

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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.