Home / 9,284.69-13,905.57-5,578.74

Finding the Fourth Proportional to 9,284.69, 13,905.57 and 5,578.74

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Solution

The fourth proportional to 9,284.69, 13,905.57 and 5,578.74 is: 8,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,284.69 : 13,905.57 = 5,578.74 : x
  2. Step 2: Convert to fraction form
    9,284.69/13,905.57 = 5,578.74/x
  3. Step 3: Cross multiply
    9,284.69x = 13,905.57 × 5,578.74
  4. Step 4: Simplify right side
    9,284.69x = 77,575,559.58
  5. Step 5: Solve for x
    x = 77,575,559.58/9,284.69
  6. Step 6: Final answer
    x = 8,355.22

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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.