Home / 9,880.47-14,821.11-3,307.32

Finding the Fourth Proportional to 9,880.47, 14,821.11 and 3,307.32

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Solution

The fourth proportional to 9,880.47, 14,821.11 and 3,307.32 is: 4,961.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.47 : 14,821.11 = 3,307.32 : x
  2. Step 2: Convert to fraction form
    9,880.47/14,821.11 = 3,307.32/x
  3. Step 3: Cross multiply
    9,880.47x = 14,821.11 × 3,307.32
  4. Step 4: Simplify right side
    9,880.47x = 49,018,153.53
  5. Step 5: Solve for x
    x = 49,018,153.53/9,880.47
  6. Step 6: Final answer
    x = 4,961.12

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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.