Home / 4,985.07-7,475.12-2,905.59

Finding the Fourth Proportional to 4,985.07, 7,475.12 and 2,905.59

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Solution

The fourth proportional to 4,985.07, 7,475.12 and 2,905.59 is: 4,356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.07 : 7,475.12 = 2,905.59 : x
  2. Step 2: Convert to fraction form
    4,985.07/7,475.12 = 2,905.59/x
  3. Step 3: Cross multiply
    4,985.07x = 7,475.12 × 2,905.59
  4. Step 4: Simplify right side
    4,985.07x = 21,719,633.92
  5. Step 5: Solve for x
    x = 21,719,633.92/4,985.07
  6. Step 6: Final answer
    x = 4,356.94

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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.