Home / 4,781.95-7,173.37-1,860.48

Finding the Fourth Proportional to 4,781.95, 7,173.37 and 1,860.48

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Solution

The fourth proportional to 4,781.95, 7,173.37 and 1,860.48 is: 2,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.95 : 7,173.37 = 1,860.48 : x
  2. Step 2: Convert to fraction form
    4,781.95/7,173.37 = 1,860.48/x
  3. Step 3: Cross multiply
    4,781.95x = 7,173.37 × 1,860.48
  4. Step 4: Simplify right side
    4,781.95x = 13,345,875.55
  5. Step 5: Solve for x
    x = 13,345,875.55/4,781.95
  6. Step 6: Final answer
    x = 2,790.89

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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.