Home / 4,778.93-7,165.29-1,857.53

Finding the Fourth Proportional to 4,778.93, 7,165.29 and 1,857.53

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Solution

The fourth proportional to 4,778.93, 7,165.29 and 1,857.53 is: 2,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.93 : 7,165.29 = 1,857.53 : x
  2. Step 2: Convert to fraction form
    4,778.93/7,165.29 = 1,857.53/x
  3. Step 3: Cross multiply
    4,778.93x = 7,165.29 × 1,857.53
  4. Step 4: Simplify right side
    4,778.93x = 13,309,741.13
  5. Step 5: Solve for x
    x = 13,309,741.13/4,778.93
  6. Step 6: Final answer
    x = 2,785.09

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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.