Home / 7,639.79-10,542.93-4,452.85

Finding the Fourth Proportional to 7,639.79, 10,542.93 and 4,452.85

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Solution

The fourth proportional to 7,639.79, 10,542.93 and 4,452.85 is: 6,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.79 : 10,542.93 = 4,452.85 : x
  2. Step 2: Convert to fraction form
    7,639.79/10,542.93 = 4,452.85/x
  3. Step 3: Cross multiply
    7,639.79x = 10,542.93 × 4,452.85
  4. Step 4: Simplify right side
    7,639.79x = 46,946,090.25
  5. Step 5: Solve for x
    x = 46,946,090.25/7,639.79
  6. Step 6: Final answer
    x = 6,144.94

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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.