Home / 4,509.45-6,223.77-3,445.47

Finding the Fourth Proportional to 4,509.45, 6,223.77 and 3,445.47

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Solution

The fourth proportional to 4,509.45, 6,223.77 and 3,445.47 is: 4,755.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.45 : 6,223.77 = 3,445.47 : x
  2. Step 2: Convert to fraction form
    4,509.45/6,223.77 = 3,445.47/x
  3. Step 3: Cross multiply
    4,509.45x = 6,223.77 × 3,445.47
  4. Step 4: Simplify right side
    4,509.45x = 21,443,812.82
  5. Step 5: Solve for x
    x = 21,443,812.82/4,509.45
  6. Step 6: Final answer
    x = 4,755.31

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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.