Home / 8,975.40-13,464.64-3,429.24

Finding the Fourth Proportional to 8,975.40, 13,464.64 and 3,429.24

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Solution

The fourth proportional to 8,975.40, 13,464.64 and 3,429.24 is: 5,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.40 : 13,464.64 = 3,429.24 : x
  2. Step 2: Convert to fraction form
    8,975.40/13,464.64 = 3,429.24/x
  3. Step 3: Cross multiply
    8,975.40x = 13,464.64 × 3,429.24
  4. Step 4: Simplify right side
    8,975.40x = 46,173,482.07
  5. Step 5: Solve for x
    x = 46,173,482.07/8,975.40
  6. Step 6: Final answer
    x = 5,144.45

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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.