Home / 5,510.90-8,255.93-4,272.25

Finding the Fourth Proportional to 5,510.90, 8,255.93 and 4,272.25

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Solution

The fourth proportional to 5,510.90, 8,255.93 and 4,272.25 is: 6,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.90 : 8,255.93 = 4,272.25 : x
  2. Step 2: Convert to fraction form
    5,510.90/8,255.93 = 4,272.25/x
  3. Step 3: Cross multiply
    5,510.90x = 8,255.93 × 4,272.25
  4. Step 4: Simplify right side
    5,510.90x = 35,271,396.94
  5. Step 5: Solve for x
    x = 35,271,396.94/5,510.90
  6. Step 6: Final answer
    x = 6,400.30

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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.