Home / 8,899.94-12,282.08-4,921.07

Finding the Fourth Proportional to 8,899.94, 12,282.08 and 4,921.07

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Solution

The fourth proportional to 8,899.94, 12,282.08 and 4,921.07 is: 6,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.94 : 12,282.08 = 4,921.07 : x
  2. Step 2: Convert to fraction form
    8,899.94/12,282.08 = 4,921.07/x
  3. Step 3: Cross multiply
    8,899.94x = 12,282.08 × 4,921.07
  4. Step 4: Simplify right side
    8,899.94x = 60,440,889.41
  5. Step 5: Solve for x
    x = 60,440,889.41/8,899.94
  6. Step 6: Final answer
    x = 6,791.16

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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.