Home / 8,578.19-12,867.29-4,830.26

Finding the Fourth Proportional to 8,578.19, 12,867.29 and 4,830.26

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Solution

The fourth proportional to 8,578.19, 12,867.29 and 4,830.26 is: 7,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.19 : 12,867.29 = 4,830.26 : x
  2. Step 2: Convert to fraction form
    8,578.19/12,867.29 = 4,830.26/x
  3. Step 3: Cross multiply
    8,578.19x = 12,867.29 × 4,830.26
  4. Step 4: Simplify right side
    8,578.19x = 62,152,267.71
  5. Step 5: Solve for x
    x = 62,152,267.71/8,578.19
  6. Step 6: Final answer
    x = 7,245.39

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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.