Home / 7,685.28-10,603.35-4,698

Finding the Fourth Proportional to 7,685.28, 10,603.35 and 4,698

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Solution

The fourth proportional to 7,685.28, 10,603.35 and 4,698 is: 6,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.28 : 10,603.35 = 4,698 : x
  2. Step 2: Convert to fraction form
    7,685.28/10,603.35 = 4,698/x
  3. Step 3: Cross multiply
    7,685.28x = 10,603.35 × 4,698
  4. Step 4: Simplify right side
    7,685.28x = 49,814,538.30
  5. Step 5: Solve for x
    x = 49,814,538.30/7,685.28
  6. Step 6: Final answer
    x = 6,481.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.