Home / 5,160.02-7,739.62-1,873.85

Finding the Fourth Proportional to 5,160.02, 7,739.62 and 1,873.85

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Solution

The fourth proportional to 5,160.02, 7,739.62 and 1,873.85 is: 2,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.02 : 7,739.62 = 1,873.85 : x
  2. Step 2: Convert to fraction form
    5,160.02/7,739.62 = 1,873.85/x
  3. Step 3: Cross multiply
    5,160.02x = 7,739.62 × 1,873.85
  4. Step 4: Simplify right side
    5,160.02x = 14,502,843.55
  5. Step 5: Solve for x
    x = 14,502,843.55/5,160.02
  6. Step 6: Final answer
    x = 2,810.62

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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.