Home / 8,915.42-13,364.94-3,070.64

Finding the Fourth Proportional to 8,915.42, 13,364.94 and 3,070.64

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Solution

The fourth proportional to 8,915.42, 13,364.94 and 3,070.64 is: 4,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.42 : 13,364.94 = 3,070.64 : x
  2. Step 2: Convert to fraction form
    8,915.42/13,364.94 = 3,070.64/x
  3. Step 3: Cross multiply
    8,915.42x = 13,364.94 × 3,070.64
  4. Step 4: Simplify right side
    8,915.42x = 41,038,919.36
  5. Step 5: Solve for x
    x = 41,038,919.36/8,915.42
  6. Step 6: Final answer
    x = 4,603.14

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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.