Home / 5,177.61-7,758.74-3,802.89

Finding the Fourth Proportional to 5,177.61, 7,758.74 and 3,802.89

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Solution

The fourth proportional to 5,177.61, 7,758.74 and 3,802.89 is: 5,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.61 : 7,758.74 = 3,802.89 : x
  2. Step 2: Convert to fraction form
    5,177.61/7,758.74 = 3,802.89/x
  3. Step 3: Cross multiply
    5,177.61x = 7,758.74 × 3,802.89
  4. Step 4: Simplify right side
    5,177.61x = 29,505,649.40
  5. Step 5: Solve for x
    x = 29,505,649.40/5,177.61
  6. Step 6: Final answer
    x = 5,698.70

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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.