Home / 8,653.23-12,975.74-4,489.08

Finding the Fourth Proportional to 8,653.23, 12,975.74 and 4,489.08

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Solution

The fourth proportional to 8,653.23, 12,975.74 and 4,489.08 is: 6,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.23 : 12,975.74 = 4,489.08 : x
  2. Step 2: Convert to fraction form
    8,653.23/12,975.74 = 4,489.08/x
  3. Step 3: Cross multiply
    8,653.23x = 12,975.74 × 4,489.08
  4. Step 4: Simplify right side
    8,653.23x = 58,249,134.92
  5. Step 5: Solve for x
    x = 58,249,134.92/8,653.23
  6. Step 6: Final answer
    x = 6,731.49

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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.