Home / 5,277.58-7,915.91-1,580.64

Finding the Fourth Proportional to 5,277.58, 7,915.91 and 1,580.64

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Solution

The fourth proportional to 5,277.58, 7,915.91 and 1,580.64 is: 2,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.58 : 7,915.91 = 1,580.64 : x
  2. Step 2: Convert to fraction form
    5,277.58/7,915.91 = 1,580.64/x
  3. Step 3: Cross multiply
    5,277.58x = 7,915.91 × 1,580.64
  4. Step 4: Simplify right side
    5,277.58x = 12,512,204.22
  5. Step 5: Solve for x
    x = 12,512,204.22/5,277.58
  6. Step 6: Final answer
    x = 2,370.82

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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.