Home / 5,386.75-8,065.52-2,784.22

Finding the Fourth Proportional to 5,386.75, 8,065.52 and 2,784.22

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Solution

The fourth proportional to 5,386.75, 8,065.52 and 2,784.22 is: 4,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.75 : 8,065.52 = 2,784.22 : x
  2. Step 2: Convert to fraction form
    5,386.75/8,065.52 = 2,784.22/x
  3. Step 3: Cross multiply
    5,386.75x = 8,065.52 × 2,784.22
  4. Step 4: Simplify right side
    5,386.75x = 22,456,219.48
  5. Step 5: Solve for x
    x = 22,456,219.48/5,386.75
  6. Step 6: Final answer
    x = 4,168.79

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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.