Home / 5,190.48-7,124.76-4,587.84

Finding the Fourth Proportional to 5,190.48, 7,124.76 and 4,587.84

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Solution

The fourth proportional to 5,190.48, 7,124.76 and 4,587.84 is: 6,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.48 : 7,124.76 = 4,587.84 : x
  2. Step 2: Convert to fraction form
    5,190.48/7,124.76 = 4,587.84/x
  3. Step 3: Cross multiply
    5,190.48x = 7,124.76 × 4,587.84
  4. Step 4: Simplify right side
    5,190.48x = 32,687,258.92
  5. Step 5: Solve for x
    x = 32,687,258.92/5,190.48
  6. Step 6: Final answer
    x = 6,297.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.