Home / 7,752.38-10,698.26-4,215.60

Finding the Fourth Proportional to 7,752.38, 10,698.26 and 4,215.60

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Solution

The fourth proportional to 7,752.38, 10,698.26 and 4,215.60 is: 5,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.38 : 10,698.26 = 4,215.60 : x
  2. Step 2: Convert to fraction form
    7,752.38/10,698.26 = 4,215.60/x
  3. Step 3: Cross multiply
    7,752.38x = 10,698.26 × 4,215.60
  4. Step 4: Simplify right side
    7,752.38x = 45,099,584.86
  5. Step 5: Solve for x
    x = 45,099,584.86/7,752.38
  6. Step 6: Final answer
    x = 5,817.51

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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.