Home / 5,403.88-8,106.62-1,941.94

Finding the Fourth Proportional to 5,403.88, 8,106.62 and 1,941.94

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Solution

The fourth proportional to 5,403.88, 8,106.62 and 1,941.94 is: 2,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.88 : 8,106.62 = 1,941.94 : x
  2. Step 2: Convert to fraction form
    5,403.88/8,106.62 = 1,941.94/x
  3. Step 3: Cross multiply
    5,403.88x = 8,106.62 × 1,941.94
  4. Step 4: Simplify right side
    5,403.88x = 15,742,569.64
  5. Step 5: Solve for x
    x = 15,742,569.64/5,403.88
  6. Step 6: Final answer
    x = 2,913.20

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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.