Home / 8,823.49-13,214.91-5,305.78

Finding the Fourth Proportional to 8,823.49, 13,214.91 and 5,305.78

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Solution

The fourth proportional to 8,823.49, 13,214.91 and 5,305.78 is: 7,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.49 : 13,214.91 = 5,305.78 : x
  2. Step 2: Convert to fraction form
    8,823.49/13,214.91 = 5,305.78/x
  3. Step 3: Cross multiply
    8,823.49x = 13,214.91 × 5,305.78
  4. Step 4: Simplify right side
    8,823.49x = 70,115,405.18
  5. Step 5: Solve for x
    x = 70,115,405.18/8,823.49
  6. Step 6: Final answer
    x = 7,946.45

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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.