Home / 6,810.88-10,215.04-2,428.32

Finding the Fourth Proportional to 6,810.88, 10,215.04 and 2,428.32

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Solution

The fourth proportional to 6,810.88, 10,215.04 and 2,428.32 is: 3,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.88 : 10,215.04 = 2,428.32 : x
  2. Step 2: Convert to fraction form
    6,810.88/10,215.04 = 2,428.32/x
  3. Step 3: Cross multiply
    6,810.88x = 10,215.04 × 2,428.32
  4. Step 4: Simplify right side
    6,810.88x = 24,805,385.93
  5. Step 5: Solve for x
    x = 24,805,385.93/6,810.88
  6. Step 6: Final answer
    x = 3,642.02

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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.