Home / 4,661.12-6,429.40-2,771.34

Finding the Fourth Proportional to 4,661.12, 6,429.40 and 2,771.34

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Solution

The fourth proportional to 4,661.12, 6,429.40 and 2,771.34 is: 3,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.12 : 6,429.40 = 2,771.34 : x
  2. Step 2: Convert to fraction form
    4,661.12/6,429.40 = 2,771.34/x
  3. Step 3: Cross multiply
    4,661.12x = 6,429.40 × 2,771.34
  4. Step 4: Simplify right side
    4,661.12x = 17,818,048.23
  5. Step 5: Solve for x
    x = 17,818,048.23/4,661.12
  6. Step 6: Final answer
    x = 3,822.70

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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.