Home / 9,158.94-12,637.22-6,328.80

Finding the Fourth Proportional to 9,158.94, 12,637.22 and 6,328.80

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Solution

The fourth proportional to 9,158.94, 12,637.22 and 6,328.80 is: 8,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.94 : 12,637.22 = 6,328.80 : x
  2. Step 2: Convert to fraction form
    9,158.94/12,637.22 = 6,328.80/x
  3. Step 3: Cross multiply
    9,158.94x = 12,637.22 × 6,328.80
  4. Step 4: Simplify right side
    9,158.94x = 79,978,406.29
  5. Step 5: Solve for x
    x = 79,978,406.29/9,158.94
  6. Step 6: Final answer
    x = 8,732.28

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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.