Home / 4,089.46-6,134.80-1,315.22

Finding the Fourth Proportional to 4,089.46, 6,134.80 and 1,315.22

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Solution

The fourth proportional to 4,089.46, 6,134.80 and 1,315.22 is: 1,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.46 : 6,134.80 = 1,315.22 : x
  2. Step 2: Convert to fraction form
    4,089.46/6,134.80 = 1,315.22/x
  3. Step 3: Cross multiply
    4,089.46x = 6,134.80 × 1,315.22
  4. Step 4: Simplify right side
    4,089.46x = 8,068,611.66
  5. Step 5: Solve for x
    x = 8,068,611.66/4,089.46
  6. Step 6: Final answer
    x = 1,973.03

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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.