Home / 5,578.29-8,364.65-2,290.50

Finding the Fourth Proportional to 5,578.29, 8,364.65 and 2,290.50

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Solution

The fourth proportional to 5,578.29, 8,364.65 and 2,290.50 is: 3,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.29 : 8,364.65 = 2,290.50 : x
  2. Step 2: Convert to fraction form
    5,578.29/8,364.65 = 2,290.50/x
  3. Step 3: Cross multiply
    5,578.29x = 8,364.65 × 2,290.50
  4. Step 4: Simplify right side
    5,578.29x = 19,159,219.37
  5. Step 5: Solve for x
    x = 19,159,219.37/5,578.29
  6. Step 6: Final answer
    x = 3,434.60

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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.