Home / 5,411.68-8,117.58-1,948.96

Finding the Fourth Proportional to 5,411.68, 8,117.58 and 1,948.96

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Solution

The fourth proportional to 5,411.68, 8,117.58 and 1,948.96 is: 2,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.68 : 8,117.58 = 1,948.96 : x
  2. Step 2: Convert to fraction form
    5,411.68/8,117.58 = 1,948.96/x
  3. Step 3: Cross multiply
    5,411.68x = 8,117.58 × 1,948.96
  4. Step 4: Simplify right side
    5,411.68x = 15,820,838.72
  5. Step 5: Solve for x
    x = 15,820,838.72/5,411.68
  6. Step 6: Final answer
    x = 2,923.46

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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.