Home / 8,521.10-11,768.96-5,683.54

Finding the Fourth Proportional to 8,521.10, 11,768.96 and 5,683.54

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Solution

The fourth proportional to 8,521.10, 11,768.96 and 5,683.54 is: 7,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.10 : 11,768.96 = 5,683.54 : x
  2. Step 2: Convert to fraction form
    8,521.10/11,768.96 = 5,683.54/x
  3. Step 3: Cross multiply
    8,521.10x = 11,768.96 × 5,683.54
  4. Step 4: Simplify right side
    8,521.10x = 66,889,362.53
  5. Step 5: Solve for x
    x = 66,889,362.53/8,521.10
  6. Step 6: Final answer
    x = 7,849.85

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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.