Home / 7,880.24-11,801.52-5,542.64

Finding the Fourth Proportional to 7,880.24, 11,801.52 and 5,542.64

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Solution

The fourth proportional to 7,880.24, 11,801.52 and 5,542.64 is: 8,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.24 : 11,801.52 = 5,542.64 : x
  2. Step 2: Convert to fraction form
    7,880.24/11,801.52 = 5,542.64/x
  3. Step 3: Cross multiply
    7,880.24x = 11,801.52 × 5,542.64
  4. Step 4: Simplify right side
    7,880.24x = 65,411,576.81
  5. Step 5: Solve for x
    x = 65,411,576.81/7,880.24
  6. Step 6: Final answer
    x = 8,300.71

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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.