Home / 7,279.36-10,923.52-4,358.40

Finding the Fourth Proportional to 7,279.36, 10,923.52 and 4,358.40

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Solution

The fourth proportional to 7,279.36, 10,923.52 and 4,358.40 is: 6,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.36 : 10,923.52 = 4,358.40 : x
  2. Step 2: Convert to fraction form
    7,279.36/10,923.52 = 4,358.40/x
  3. Step 3: Cross multiply
    7,279.36x = 10,923.52 × 4,358.40
  4. Step 4: Simplify right side
    7,279.36x = 47,609,069.57
  5. Step 5: Solve for x
    x = 47,609,069.57/7,279.36
  6. Step 6: Final answer
    x = 6,540.28

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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.