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Finding the Fourth Proportional to 4,670.88, 7,006.32 and 1,384.02

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Solution

The fourth proportional to 4,670.88, 7,006.32 and 1,384.02 is: 2,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.88 : 7,006.32 = 1,384.02 : x
  2. Step 2: Convert to fraction form
    4,670.88/7,006.32 = 1,384.02/x
  3. Step 3: Cross multiply
    4,670.88x = 7,006.32 × 1,384.02
  4. Step 4: Simplify right side
    4,670.88x = 9,696,887.01
  5. Step 5: Solve for x
    x = 9,696,887.01/4,670.88
  6. Step 6: Final answer
    x = 2,076.03

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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.