Home / 5,890.16-8,128.53-3,237.81

Finding the Fourth Proportional to 5,890.16, 8,128.53 and 3,237.81

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Solution

The fourth proportional to 5,890.16, 8,128.53 and 3,237.81 is: 4,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.16 : 8,128.53 = 3,237.81 : x
  2. Step 2: Convert to fraction form
    5,890.16/8,128.53 = 3,237.81/x
  3. Step 3: Cross multiply
    5,890.16x = 8,128.53 × 3,237.81
  4. Step 4: Simplify right side
    5,890.16x = 26,318,635.72
  5. Step 5: Solve for x
    x = 26,318,635.72/5,890.16
  6. Step 6: Final answer
    x = 4,468.24

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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.