Home / 9,091.02-12,513.09-6,433.80

Finding the Fourth Proportional to 9,091.02, 12,513.09 and 6,433.80

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Solution

The fourth proportional to 9,091.02, 12,513.09 and 6,433.80 is: 8,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.02 : 12,513.09 = 6,433.80 : x
  2. Step 2: Convert to fraction form
    9,091.02/12,513.09 = 6,433.80/x
  3. Step 3: Cross multiply
    9,091.02x = 12,513.09 × 6,433.80
  4. Step 4: Simplify right side
    9,091.02x = 80,506,718.44
  5. Step 5: Solve for x
    x = 80,506,718.44/9,091.02
  6. Step 6: Final answer
    x = 8,855.63

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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.