Home / 5,888.40-8,121.76-3,790.52

Finding the Fourth Proportional to 5,888.40, 8,121.76 and 3,790.52

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Solution

The fourth proportional to 5,888.40, 8,121.76 and 3,790.52 is: 5,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.40 : 8,121.76 = 3,790.52 : x
  2. Step 2: Convert to fraction form
    5,888.40/8,121.76 = 3,790.52/x
  3. Step 3: Cross multiply
    5,888.40x = 8,121.76 × 3,790.52
  4. Step 4: Simplify right side
    5,888.40x = 30,785,693.72
  5. Step 5: Solve for x
    x = 30,785,693.72/5,888.40
  6. Step 6: Final answer
    x = 5,228.19

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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.