Home / 8,903.26-12,287.39-5,126.59

Finding the Fourth Proportional to 8,903.26, 12,287.39 and 5,126.59

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Solution

The fourth proportional to 8,903.26, 12,287.39 and 5,126.59 is: 7,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.26 : 12,287.39 = 5,126.59 : x
  2. Step 2: Convert to fraction form
    8,903.26/12,287.39 = 5,126.59/x
  3. Step 3: Cross multiply
    8,903.26x = 12,287.39 × 5,126.59
  4. Step 4: Simplify right side
    8,903.26x = 62,992,410.70
  5. Step 5: Solve for x
    x = 62,992,410.70/8,903.26
  6. Step 6: Final answer
    x = 7,075.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.