Home / 7,615.77-11,425.01-2,688.27

Finding the Fourth Proportional to 7,615.77, 11,425.01 and 2,688.27

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Solution

The fourth proportional to 7,615.77, 11,425.01 and 2,688.27 is: 4,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.77 : 11,425.01 = 2,688.27 : x
  2. Step 2: Convert to fraction form
    7,615.77/11,425.01 = 2,688.27/x
  3. Step 3: Cross multiply
    7,615.77x = 11,425.01 × 2,688.27
  4. Step 4: Simplify right side
    7,615.77x = 30,713,498.19
  5. Step 5: Solve for x
    x = 30,713,498.19/7,615.77
  6. Step 6: Final answer
    x = 4,032.88

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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.