Home / 8,905.90-13,365.42-4,225.88

Finding the Fourth Proportional to 8,905.90, 13,365.42 and 4,225.88

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Solution

The fourth proportional to 8,905.90, 13,365.42 and 4,225.88 is: 6,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.90 : 13,365.42 = 4,225.88 : x
  2. Step 2: Convert to fraction form
    8,905.90/13,365.42 = 4,225.88/x
  3. Step 3: Cross multiply
    8,905.90x = 13,365.42 × 4,225.88
  4. Step 4: Simplify right side
    8,905.90x = 56,480,661.07
  5. Step 5: Solve for x
    x = 56,480,661.07/8,905.90
  6. Step 6: Final answer
    x = 6,341.94

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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.