Home / 7,279.60-10,032.52-5,286.69

Finding the Fourth Proportional to 7,279.60, 10,032.52 and 5,286.69

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Solution

The fourth proportional to 7,279.60, 10,032.52 and 5,286.69 is: 7,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.60 : 10,032.52 = 5,286.69 : x
  2. Step 2: Convert to fraction form
    7,279.60/10,032.52 = 5,286.69/x
  3. Step 3: Cross multiply
    7,279.60x = 10,032.52 × 5,286.69
  4. Step 4: Simplify right side
    7,279.60x = 53,038,855.51
  5. Step 5: Solve for x
    x = 53,038,855.51/7,279.60
  6. Step 6: Final answer
    x = 7,285.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.