Home / 4,927.05-7,390.58-1,639.35

Finding the Fourth Proportional to 4,927.05, 7,390.58 and 1,639.35

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Solution

The fourth proportional to 4,927.05, 7,390.58 and 1,639.35 is: 2,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.05 : 7,390.58 = 1,639.35 : x
  2. Step 2: Convert to fraction form
    4,927.05/7,390.58 = 1,639.35/x
  3. Step 3: Cross multiply
    4,927.05x = 7,390.58 × 1,639.35
  4. Step 4: Simplify right side
    4,927.05x = 12,115,739.13
  5. Step 5: Solve for x
    x = 12,115,739.13/4,927.05
  6. Step 6: Final answer
    x = 2,459.03

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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.