Home / 7,390.90-10,199.64-4,033.72

Finding the Fourth Proportional to 7,390.90, 10,199.64 and 4,033.72

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Solution

The fourth proportional to 7,390.90, 10,199.64 and 4,033.72 is: 5,566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.90 : 10,199.64 = 4,033.72 : x
  2. Step 2: Convert to fraction form
    7,390.90/10,199.64 = 4,033.72/x
  3. Step 3: Cross multiply
    7,390.90x = 10,199.64 × 4,033.72
  4. Step 4: Simplify right side
    7,390.90x = 41,142,491.86
  5. Step 5: Solve for x
    x = 41,142,491.86/7,390.90
  6. Step 6: Final answer
    x = 5,566.64

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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.