Home / 9,045.65-13,564.83-3,777.21

Finding the Fourth Proportional to 9,045.65, 13,564.83 and 3,777.21

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Solution

The fourth proportional to 9,045.65, 13,564.83 and 3,777.21 is: 5,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.65 : 13,564.83 = 3,777.21 : x
  2. Step 2: Convert to fraction form
    9,045.65/13,564.83 = 3,777.21/x
  3. Step 3: Cross multiply
    9,045.65x = 13,564.83 × 3,777.21
  4. Step 4: Simplify right side
    9,045.65x = 51,237,211.52
  5. Step 5: Solve for x
    x = 51,237,211.52/9,045.65
  6. Step 6: Final answer
    x = 5,664.29

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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.