Home / 6,721.08-9,271.98-4,201.56

Finding the Fourth Proportional to 6,721.08, 9,271.98 and 4,201.56

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Solution

The fourth proportional to 6,721.08, 9,271.98 and 4,201.56 is: 5,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.08 : 9,271.98 = 4,201.56 : x
  2. Step 2: Convert to fraction form
    6,721.08/9,271.98 = 4,201.56/x
  3. Step 3: Cross multiply
    6,721.08x = 9,271.98 × 4,201.56
  4. Step 4: Simplify right side
    6,721.08x = 38,956,780.29
  5. Step 5: Solve for x
    x = 38,956,780.29/6,721.08
  6. Step 6: Final answer
    x = 5,796.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.