Home / 7,847.61-10,829.67-4,262.55

Finding the Fourth Proportional to 7,847.61, 10,829.67 and 4,262.55

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Solution

The fourth proportional to 7,847.61, 10,829.67 and 4,262.55 is: 5,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.61 : 10,829.67 = 4,262.55 : x
  2. Step 2: Convert to fraction form
    7,847.61/10,829.67 = 4,262.55/x
  3. Step 3: Cross multiply
    7,847.61x = 10,829.67 × 4,262.55
  4. Step 4: Simplify right side
    7,847.61x = 46,162,009.86
  5. Step 5: Solve for x
    x = 46,162,009.86/7,847.61
  6. Step 6: Final answer
    x = 5,882.30

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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.