Home / 7,710.27-10,640.38-4,684.36

Finding the Fourth Proportional to 7,710.27, 10,640.38 and 4,684.36

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Solution

The fourth proportional to 7,710.27, 10,640.38 and 4,684.36 is: 6,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.27 : 10,640.38 = 4,684.36 : x
  2. Step 2: Convert to fraction form
    7,710.27/10,640.38 = 4,684.36/x
  3. Step 3: Cross multiply
    7,710.27x = 10,640.38 × 4,684.36
  4. Step 4: Simplify right side
    7,710.27x = 49,843,408.77
  5. Step 5: Solve for x
    x = 49,843,408.77/7,710.27
  6. Step 6: Final answer
    x = 6,464.55

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1.5x scale

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.