Home / 9,810.91-13,539.21-5,334.66

Finding the Fourth Proportional to 9,810.91, 13,539.21 and 5,334.66

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Solution

The fourth proportional to 9,810.91, 13,539.21 and 5,334.66 is: 7,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.91 : 13,539.21 = 5,334.66 : x
  2. Step 2: Convert to fraction form
    9,810.91/13,539.21 = 5,334.66/x
  3. Step 3: Cross multiply
    9,810.91x = 13,539.21 × 5,334.66
  4. Step 4: Simplify right side
    9,810.91x = 72,227,062.01
  5. Step 5: Solve for x
    x = 72,227,062.01/9,810.91
  6. Step 6: Final answer
    x = 7,361.91

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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.