Home / 5,161.68-7,742.40-1,873.50

Finding the Fourth Proportional to 5,161.68, 7,742.40 and 1,873.50

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Solution

The fourth proportional to 5,161.68, 7,742.40 and 1,873.50 is: 2,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.68 : 7,742.40 = 1,873.50 : x
  2. Step 2: Convert to fraction form
    5,161.68/7,742.40 = 1,873.50/x
  3. Step 3: Cross multiply
    5,161.68x = 7,742.40 × 1,873.50
  4. Step 4: Simplify right side
    5,161.68x = 14,505,386.40
  5. Step 5: Solve for x
    x = 14,505,386.40/5,161.68
  6. Step 6: Final answer
    x = 2,810.21

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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.