Home / 8,750.09-13,116.81-5,578.62

Finding the Fourth Proportional to 8,750.09, 13,116.81 and 5,578.62

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Solution

The fourth proportional to 8,750.09, 13,116.81 and 5,578.62 is: 8,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.09 : 13,116.81 = 5,578.62 : x
  2. Step 2: Convert to fraction form
    8,750.09/13,116.81 = 5,578.62/x
  3. Step 3: Cross multiply
    8,750.09x = 13,116.81 × 5,578.62
  4. Step 4: Simplify right side
    8,750.09x = 73,173,677.68
  5. Step 5: Solve for x
    x = 73,173,677.68/8,750.09
  6. Step 6: Final answer
    x = 8,362.62

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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.