Home / 4,509.07-6,221.45-2,740.57

Finding the Fourth Proportional to 4,509.07, 6,221.45 and 2,740.57

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Solution

The fourth proportional to 4,509.07, 6,221.45 and 2,740.57 is: 3,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.07 : 6,221.45 = 2,740.57 : x
  2. Step 2: Convert to fraction form
    4,509.07/6,221.45 = 2,740.57/x
  3. Step 3: Cross multiply
    4,509.07x = 6,221.45 × 2,740.57
  4. Step 4: Simplify right side
    4,509.07x = 17,050,319.23
  5. Step 5: Solve for x
    x = 17,050,319.23/4,509.07
  6. Step 6: Final answer
    x = 3,781.34

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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.