Home / 7,730.88-10,668.24-4,372.80

Finding the Fourth Proportional to 7,730.88, 10,668.24 and 4,372.80

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Solution

The fourth proportional to 7,730.88, 10,668.24 and 4,372.80 is: 6,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.88 : 10,668.24 = 4,372.80 : x
  2. Step 2: Convert to fraction form
    7,730.88/10,668.24 = 4,372.80/x
  3. Step 3: Cross multiply
    7,730.88x = 10,668.24 × 4,372.80
  4. Step 4: Simplify right side
    7,730.88x = 46,650,079.87
  5. Step 5: Solve for x
    x = 46,650,079.87/7,730.88
  6. Step 6: Final answer
    x = 6,034.25

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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.