Home / 6,443.45-9,648.77-4,245.51

Finding the Fourth Proportional to 6,443.45, 9,648.77 and 4,245.51

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Solution

The fourth proportional to 6,443.45, 9,648.77 and 4,245.51 is: 6,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.45 : 9,648.77 = 4,245.51 : x
  2. Step 2: Convert to fraction form
    6,443.45/9,648.77 = 4,245.51/x
  3. Step 3: Cross multiply
    6,443.45x = 9,648.77 × 4,245.51
  4. Step 4: Simplify right side
    6,443.45x = 40,963,988.36
  5. Step 5: Solve for x
    x = 40,963,988.36/6,443.45
  6. Step 6: Final answer
    x = 6,357.46

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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.