Home / 9,621.78-14,440.26-4,941.60

Finding the Fourth Proportional to 9,621.78, 14,440.26 and 4,941.60

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Solution

The fourth proportional to 9,621.78, 14,440.26 and 4,941.60 is: 7,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.78 : 14,440.26 = 4,941.60 : x
  2. Step 2: Convert to fraction form
    9,621.78/14,440.26 = 4,941.60/x
  3. Step 3: Cross multiply
    9,621.78x = 14,440.26 × 4,941.60
  4. Step 4: Simplify right side
    9,621.78x = 71,357,988.82
  5. Step 5: Solve for x
    x = 71,357,988.82/9,621.78
  6. Step 6: Final answer
    x = 7,416.30

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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.