Home / 4,917.40-7,374.93-1,407.30

Finding the Fourth Proportional to 4,917.40, 7,374.93 and 1,407.30

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Solution

The fourth proportional to 4,917.40, 7,374.93 and 1,407.30 is: 2,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.40 : 7,374.93 = 1,407.30 : x
  2. Step 2: Convert to fraction form
    4,917.40/7,374.93 = 1,407.30/x
  3. Step 3: Cross multiply
    4,917.40x = 7,374.93 × 1,407.30
  4. Step 4: Simplify right side
    4,917.40x = 10,378,738.99
  5. Step 5: Solve for x
    x = 10,378,738.99/4,917.40
  6. Step 6: Final answer
    x = 2,110.62

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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.