Home / 8,900.66-13,354.89-4,224.05

Finding the Fourth Proportional to 8,900.66, 13,354.89 and 4,224.05

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Solution

The fourth proportional to 8,900.66, 13,354.89 and 4,224.05 is: 6,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.66 : 13,354.89 = 4,224.05 : x
  2. Step 2: Convert to fraction form
    8,900.66/13,354.89 = 4,224.05/x
  3. Step 3: Cross multiply
    8,900.66x = 13,354.89 × 4,224.05
  4. Step 4: Simplify right side
    8,900.66x = 56,411,656.33
  5. Step 5: Solve for x
    x = 56,411,656.33/8,900.66
  6. Step 6: Final answer
    x = 6,337.92

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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.