Home / 8,908.47-13,353.89-4,220.24

Finding the Fourth Proportional to 8,908.47, 13,353.89 and 4,220.24

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Solution

The fourth proportional to 8,908.47, 13,353.89 and 4,220.24 is: 6,326.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.47 : 13,353.89 = 4,220.24 : x
  2. Step 2: Convert to fraction form
    8,908.47/13,353.89 = 4,220.24/x
  3. Step 3: Cross multiply
    8,908.47x = 13,353.89 × 4,220.24
  4. Step 4: Simplify right side
    8,908.47x = 56,356,532.86
  5. Step 5: Solve for x
    x = 56,356,532.86/8,908.47
  6. Step 6: Final answer
    x = 6,326.17

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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.