Home / 8,969.09-13,448.57-4,290.22

Finding the Fourth Proportional to 8,969.09, 13,448.57 and 4,290.22

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Solution

The fourth proportional to 8,969.09, 13,448.57 and 4,290.22 is: 6,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.09 : 13,448.57 = 4,290.22 : x
  2. Step 2: Convert to fraction form
    8,969.09/13,448.57 = 4,290.22/x
  3. Step 3: Cross multiply
    8,969.09x = 13,448.57 × 4,290.22
  4. Step 4: Simplify right side
    8,969.09x = 57,697,319.35
  5. Step 5: Solve for x
    x = 57,697,319.35/8,969.09
  6. Step 6: Final answer
    x = 6,432.91

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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.