Home / 7,389.10-11,074.41-4,749.58

Finding the Fourth Proportional to 7,389.10, 11,074.41 and 4,749.58

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Solution

The fourth proportional to 7,389.10, 11,074.41 and 4,749.58 is: 7,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.10 : 11,074.41 = 4,749.58 : x
  2. Step 2: Convert to fraction form
    7,389.10/11,074.41 = 4,749.58/x
  3. Step 3: Cross multiply
    7,389.10x = 11,074.41 × 4,749.58
  4. Step 4: Simplify right side
    7,389.10x = 52,598,796.25
  5. Step 5: Solve for x
    x = 52,598,796.25/7,389.10
  6. Step 6: Final answer
    x = 7,118.43

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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.