Home / 9,307.60-13,961.40-3,151.60

Finding the Fourth Proportional to 9,307.60, 13,961.40 and 3,151.60

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Solution

The fourth proportional to 9,307.60, 13,961.40 and 3,151.60 is: 4,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.60 : 13,961.40 = 3,151.60 : x
  2. Step 2: Convert to fraction form
    9,307.60/13,961.40 = 3,151.60/x
  3. Step 3: Cross multiply
    9,307.60x = 13,961.40 × 3,151.60
  4. Step 4: Simplify right side
    9,307.60x = 44,000,748.24
  5. Step 5: Solve for x
    x = 44,000,748.24/9,307.60
  6. Step 6: Final answer
    x = 4,727.40

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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.