Home / 7,847.18-10,829.87-4,490.47

Finding the Fourth Proportional to 7,847.18, 10,829.87 and 4,490.47

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Solution

The fourth proportional to 7,847.18, 10,829.87 and 4,490.47 is: 6,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.18 : 10,829.87 = 4,490.47 : x
  2. Step 2: Convert to fraction form
    7,847.18/10,829.87 = 4,490.47/x
  3. Step 3: Cross multiply
    7,847.18x = 10,829.87 × 4,490.47
  4. Step 4: Simplify right side
    7,847.18x = 48,631,214.26
  5. Step 5: Solve for x
    x = 48,631,214.26/7,847.18
  6. Step 6: Final answer
    x = 6,197.29

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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.