Home / 7,276.72-10,039.40-4,443.36

Finding the Fourth Proportional to 7,276.72, 10,039.40 and 4,443.36

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Solution

The fourth proportional to 7,276.72, 10,039.40 and 4,443.36 is: 6,130.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.72 : 10,039.40 = 4,443.36 : x
  2. Step 2: Convert to fraction form
    7,276.72/10,039.40 = 4,443.36/x
  3. Step 3: Cross multiply
    7,276.72x = 10,039.40 × 4,443.36
  4. Step 4: Simplify right side
    7,276.72x = 44,608,668.38
  5. Step 5: Solve for x
    x = 44,608,668.38/7,276.72
  6. Step 6: Final answer
    x = 6,130.33

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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.