Home / 4,785.77-6,607.62-3,903.68

Finding the Fourth Proportional to 4,785.77, 6,607.62 and 3,903.68

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Solution

The fourth proportional to 4,785.77, 6,607.62 and 3,903.68 is: 5,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.77 : 6,607.62 = 3,903.68 : x
  2. Step 2: Convert to fraction form
    4,785.77/6,607.62 = 3,903.68/x
  3. Step 3: Cross multiply
    4,785.77x = 6,607.62 × 3,903.68
  4. Step 4: Simplify right side
    4,785.77x = 25,794,001.00
  5. Step 5: Solve for x
    x = 25,794,001.00/4,785.77
  6. Step 6: Final answer
    x = 5,389.73

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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.