Home / 9,640.31-14,461.07-3,315.56

Finding the Fourth Proportional to 9,640.31, 14,461.07 and 3,315.56

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Solution

The fourth proportional to 9,640.31, 14,461.07 and 3,315.56 is: 4,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640.31 : 14,461.07 = 3,315.56 : x
  2. Step 2: Convert to fraction form
    9,640.31/14,461.07 = 3,315.56/x
  3. Step 3: Cross multiply
    9,640.31x = 14,461.07 × 3,315.56
  4. Step 4: Simplify right side
    9,640.31x = 47,946,456.37
  5. Step 5: Solve for x
    x = 47,946,456.37/9,640.31
  6. Step 6: Final answer
    x = 4,973.54

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1.5x scale

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.