Home / 4,845.90-6,648.88-4,721.52

Finding the Fourth Proportional to 4,845.90, 6,648.88 and 4,721.52

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Solution

The fourth proportional to 4,845.90, 6,648.88 and 4,721.52 is: 6,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.90 : 6,648.88 = 4,721.52 : x
  2. Step 2: Convert to fraction form
    4,845.90/6,648.88 = 4,721.52/x
  3. Step 3: Cross multiply
    4,845.90x = 6,648.88 × 4,721.52
  4. Step 4: Simplify right side
    4,845.90x = 31,392,808.09
  5. Step 5: Solve for x
    x = 31,392,808.09/4,845.90
  6. Step 6: Final answer
    x = 6,478.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.