Home / 6,455.16-9,683.28-2,757.42

Finding the Fourth Proportional to 6,455.16, 9,683.28 and 2,757.42

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Solution

The fourth proportional to 6,455.16, 9,683.28 and 2,757.42 is: 4,136.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.16 : 9,683.28 = 2,757.42 : x
  2. Step 2: Convert to fraction form
    6,455.16/9,683.28 = 2,757.42/x
  3. Step 3: Cross multiply
    6,455.16x = 9,683.28 × 2,757.42
  4. Step 4: Simplify right side
    6,455.16x = 26,700,869.94
  5. Step 5: Solve for x
    x = 26,700,869.94/6,455.16
  6. Step 6: Final answer
    x = 4,136.36

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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.