Home / 6,423.51-8,864.37-3,770.46

Finding the Fourth Proportional to 6,423.51, 8,864.37 and 3,770.46

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Solution

The fourth proportional to 6,423.51, 8,864.37 and 3,770.46 is: 5,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.51 : 8,864.37 = 3,770.46 : x
  2. Step 2: Convert to fraction form
    6,423.51/8,864.37 = 3,770.46/x
  3. Step 3: Cross multiply
    6,423.51x = 8,864.37 × 3,770.46
  4. Step 4: Simplify right side
    6,423.51x = 33,422,752.51
  5. Step 5: Solve for x
    x = 33,422,752.51/6,423.51
  6. Step 6: Final answer
    x = 5,203.19

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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.