Home / 6,539.79-9,810.08-2,157.29

Finding the Fourth Proportional to 6,539.79, 9,810.08 and 2,157.29

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Solution

The fourth proportional to 6,539.79, 9,810.08 and 2,157.29 is: 3,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.79 : 9,810.08 = 2,157.29 : x
  2. Step 2: Convert to fraction form
    6,539.79/9,810.08 = 2,157.29/x
  3. Step 3: Cross multiply
    6,539.79x = 9,810.08 × 2,157.29
  4. Step 4: Simplify right side
    6,539.79x = 21,163,127.65
  5. Step 5: Solve for x
    x = 21,163,127.65/6,539.79
  6. Step 6: Final answer
    x = 3,236.06

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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.