Home / 6,541.42-9,810.75-2,157.85

Finding the Fourth Proportional to 6,541.42, 9,810.75 and 2,157.85

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Solution

The fourth proportional to 6,541.42, 9,810.75 and 2,157.85 is: 3,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.42 : 9,810.75 = 2,157.85 : x
  2. Step 2: Convert to fraction form
    6,541.42/9,810.75 = 2,157.85/x
  3. Step 3: Cross multiply
    6,541.42x = 9,810.75 × 2,157.85
  4. Step 4: Simplify right side
    6,541.42x = 21,170,102.36
  5. Step 5: Solve for x
    x = 21,170,102.36/6,541.42
  6. Step 6: Final answer
    x = 3,236.32

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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.