Home / 5,510.01-8,261.41-3,138.15

Finding the Fourth Proportional to 5,510.01, 8,261.41 and 3,138.15

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Solution

The fourth proportional to 5,510.01, 8,261.41 and 3,138.15 is: 4,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.01 : 8,261.41 = 3,138.15 : x
  2. Step 2: Convert to fraction form
    5,510.01/8,261.41 = 3,138.15/x
  3. Step 3: Cross multiply
    5,510.01x = 8,261.41 × 3,138.15
  4. Step 4: Simplify right side
    5,510.01x = 25,925,543.79
  5. Step 5: Solve for x
    x = 25,925,543.79/5,510.01
  6. Step 6: Final answer
    x = 4,705.17

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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.