Home / 8,915.63-13,373.39-3,653.08

Finding the Fourth Proportional to 8,915.63, 13,373.39 and 3,653.08

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Solution

The fourth proportional to 8,915.63, 13,373.39 and 3,653.08 is: 5,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.63 : 13,373.39 = 3,653.08 : x
  2. Step 2: Convert to fraction form
    8,915.63/13,373.39 = 3,653.08/x
  3. Step 3: Cross multiply
    8,915.63x = 13,373.39 × 3,653.08
  4. Step 4: Simplify right side
    8,915.63x = 48,854,039.24
  5. Step 5: Solve for x
    x = 48,854,039.24/8,915.63
  6. Step 6: Final answer
    x = 5,479.60

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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.