Home / 6,455.96-9,688.04-2,758.22

Finding the Fourth Proportional to 6,455.96, 9,688.04 and 2,758.22

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Solution

The fourth proportional to 6,455.96, 9,688.04 and 2,758.22 is: 4,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.96 : 9,688.04 = 2,758.22 : x
  2. Step 2: Convert to fraction form
    6,455.96/9,688.04 = 2,758.22/x
  3. Step 3: Cross multiply
    6,455.96x = 9,688.04 × 2,758.22
  4. Step 4: Simplify right side
    6,455.96x = 26,721,683.46
  5. Step 5: Solve for x
    x = 26,721,683.46/6,455.96
  6. Step 6: Final answer
    x = 4,139.07

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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.