Home / 5,921.19-8,859.86-4,747.60

Finding the Fourth Proportional to 5,921.19, 8,859.86 and 4,747.60

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Solution

The fourth proportional to 5,921.19, 8,859.86 and 4,747.60 is: 7,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.19 : 8,859.86 = 4,747.60 : x
  2. Step 2: Convert to fraction form
    5,921.19/8,859.86 = 4,747.60/x
  3. Step 3: Cross multiply
    5,921.19x = 8,859.86 × 4,747.60
  4. Step 4: Simplify right side
    5,921.19x = 42,063,071.34
  5. Step 5: Solve for x
    x = 42,063,071.34/5,921.19
  6. Step 6: Final answer
    x = 7,103.82

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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.