Home / 9,261.90-13,895.01-2,688.21

Finding the Fourth Proportional to 9,261.90, 13,895.01 and 2,688.21

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Solution

The fourth proportional to 9,261.90, 13,895.01 and 2,688.21 is: 4,032.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.90 : 13,895.01 = 2,688.21 : x
  2. Step 2: Convert to fraction form
    9,261.90/13,895.01 = 2,688.21/x
  3. Step 3: Cross multiply
    9,261.90x = 13,895.01 × 2,688.21
  4. Step 4: Simplify right side
    9,261.90x = 37,352,704.83
  5. Step 5: Solve for x
    x = 37,352,704.83/9,261.90
  6. Step 6: Final answer
    x = 4,032.94

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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.