Home / 4,745.10-7,117.65-2,279.34

Finding the Fourth Proportional to 4,745.10, 7,117.65 and 2,279.34

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Solution

The fourth proportional to 4,745.10, 7,117.65 and 2,279.34 is: 3,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.10 : 7,117.65 = 2,279.34 : x
  2. Step 2: Convert to fraction form
    4,745.10/7,117.65 = 2,279.34/x
  3. Step 3: Cross multiply
    4,745.10x = 7,117.65 × 2,279.34
  4. Step 4: Simplify right side
    4,745.10x = 16,223,544.35
  5. Step 5: Solve for x
    x = 16,223,544.35/4,745.10
  6. Step 6: Final answer
    x = 3,419.01

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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.