Home / 5,344.50-8,015.76-1,448.40

Finding the Fourth Proportional to 5,344.50, 8,015.76 and 1,448.40

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Solution

The fourth proportional to 5,344.50, 8,015.76 and 1,448.40 is: 2,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.50 : 8,015.76 = 1,448.40 : x
  2. Step 2: Convert to fraction form
    5,344.50/8,015.76 = 1,448.40/x
  3. Step 3: Cross multiply
    5,344.50x = 8,015.76 × 1,448.40
  4. Step 4: Simplify right side
    5,344.50x = 11,610,026.78
  5. Step 5: Solve for x
    x = 11,610,026.78/5,344.50
  6. Step 6: Final answer
    x = 2,172.33

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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.