Home / 4,631.75-6,947.98-1,670.57

Finding the Fourth Proportional to 4,631.75, 6,947.98 and 1,670.57

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Solution

The fourth proportional to 4,631.75, 6,947.98 and 1,670.57 is: 2,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.75 : 6,947.98 = 1,670.57 : x
  2. Step 2: Convert to fraction form
    4,631.75/6,947.98 = 1,670.57/x
  3. Step 3: Cross multiply
    4,631.75x = 6,947.98 × 1,670.57
  4. Step 4: Simplify right side
    4,631.75x = 11,607,113.17
  5. Step 5: Solve for x
    x = 11,607,113.17/4,631.75
  6. Step 6: Final answer
    x = 2,505.99

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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.