Home / 4,509.39-6,221.23-2,740.35

Finding the Fourth Proportional to 4,509.39, 6,221.23 and 2,740.35

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Solution

The fourth proportional to 4,509.39, 6,221.23 and 2,740.35 is: 3,780.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.39 : 6,221.23 = 2,740.35 : x
  2. Step 2: Convert to fraction form
    4,509.39/6,221.23 = 2,740.35/x
  3. Step 3: Cross multiply
    4,509.39x = 6,221.23 × 2,740.35
  4. Step 4: Simplify right side
    4,509.39x = 17,048,347.63
  5. Step 5: Solve for x
    x = 17,048,347.63/4,509.39
  6. Step 6: Final answer
    x = 3,780.63

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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.