Home / 7,043.28-10,556.64-2,880.69

Finding the Fourth Proportional to 7,043.28, 10,556.64 and 2,880.69

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Solution

The fourth proportional to 7,043.28, 10,556.64 and 2,880.69 is: 4,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.28 : 10,556.64 = 2,880.69 : x
  2. Step 2: Convert to fraction form
    7,043.28/10,556.64 = 2,880.69/x
  3. Step 3: Cross multiply
    7,043.28x = 10,556.64 × 2,880.69
  4. Step 4: Simplify right side
    7,043.28x = 30,410,407.28
  5. Step 5: Solve for x
    x = 30,410,407.28/7,043.28
  6. Step 6: Final answer
    x = 4,317.65

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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.