Home / 6,810.24-10,215.36-2,130.27

Finding the Fourth Proportional to 6,810.24, 10,215.36 and 2,130.27

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Solution

The fourth proportional to 6,810.24, 10,215.36 and 2,130.27 is: 3,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.24 : 10,215.36 = 2,130.27 : x
  2. Step 2: Convert to fraction form
    6,810.24/10,215.36 = 2,130.27/x
  3. Step 3: Cross multiply
    6,810.24x = 10,215.36 × 2,130.27
  4. Step 4: Simplify right side
    6,810.24x = 21,761,474.95
  5. Step 5: Solve for x
    x = 21,761,474.95/6,810.24
  6. Step 6: Final answer
    x = 3,195.41

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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.