Home / 4,632.78-6,393.77-2,643.63

Finding the Fourth Proportional to 4,632.78, 6,393.77 and 2,643.63

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Solution

The fourth proportional to 4,632.78, 6,393.77 and 2,643.63 is: 3,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,632.78 : 6,393.77 = 2,643.63 : x
  2. Step 2: Convert to fraction form
    4,632.78/6,393.77 = 2,643.63/x
  3. Step 3: Cross multiply
    4,632.78x = 6,393.77 × 2,643.63
  4. Step 4: Simplify right side
    4,632.78x = 16,902,762.19
  5. Step 5: Solve for x
    x = 16,902,762.19/4,632.78
  6. Step 6: Final answer
    x = 3,648.51

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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.