Home / 6,426.02-9,630.32-2,911.64

Finding the Fourth Proportional to 6,426.02, 9,630.32 and 2,911.64

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Solution

The fourth proportional to 6,426.02, 9,630.32 and 2,911.64 is: 4,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.02 : 9,630.32 = 2,911.64 : x
  2. Step 2: Convert to fraction form
    6,426.02/9,630.32 = 2,911.64/x
  3. Step 3: Cross multiply
    6,426.02x = 9,630.32 × 2,911.64
  4. Step 4: Simplify right side
    6,426.02x = 28,040,024.92
  5. Step 5: Solve for x
    x = 28,040,024.92/6,426.02
  6. Step 6: Final answer
    x = 4,363.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.