Home / 5,038.96-7,561.80-1,921.84

Finding the Fourth Proportional to 5,038.96, 7,561.80 and 1,921.84

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Solution

The fourth proportional to 5,038.96, 7,561.80 and 1,921.84 is: 2,884.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.96 : 7,561.80 = 1,921.84 : x
  2. Step 2: Convert to fraction form
    5,038.96/7,561.80 = 1,921.84/x
  3. Step 3: Cross multiply
    5,038.96x = 7,561.80 × 1,921.84
  4. Step 4: Simplify right side
    5,038.96x = 14,532,569.71
  5. Step 5: Solve for x
    x = 14,532,569.71/5,038.96
  6. Step 6: Final answer
    x = 2,884.04

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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.