Home / 8,148.69-11,242.62-5,630.94

Finding the Fourth Proportional to 8,148.69, 11,242.62 and 5,630.94

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Solution

The fourth proportional to 8,148.69, 11,242.62 and 5,630.94 is: 7,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.69 : 11,242.62 = 5,630.94 : x
  2. Step 2: Convert to fraction form
    8,148.69/11,242.62 = 5,630.94/x
  3. Step 3: Cross multiply
    8,148.69x = 11,242.62 × 5,630.94
  4. Step 4: Simplify right side
    8,148.69x = 63,306,518.66
  5. Step 5: Solve for x
    x = 63,306,518.66/8,148.69
  6. Step 6: Final answer
    x = 7,768.92

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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.