Home / 7,271.40-10,908.90-2,077.26

Finding the Fourth Proportional to 7,271.40, 10,908.90 and 2,077.26

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Solution

The fourth proportional to 7,271.40, 10,908.90 and 2,077.26 is: 3,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.40 : 10,908.90 = 2,077.26 : x
  2. Step 2: Convert to fraction form
    7,271.40/10,908.90 = 2,077.26/x
  3. Step 3: Cross multiply
    7,271.40x = 10,908.90 × 2,077.26
  4. Step 4: Simplify right side
    7,271.40x = 22,660,621.61
  5. Step 5: Solve for x
    x = 22,660,621.61/7,271.40
  6. Step 6: Final answer
    x = 3,116.40

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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.