Home / 4,721.76-7,114.14-4,277.58

Finding the Fourth Proportional to 4,721.76, 7,114.14 and 4,277.58

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Solution

The fourth proportional to 4,721.76, 7,114.14 and 4,277.58 is: 6,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.76 : 7,114.14 = 4,277.58 : x
  2. Step 2: Convert to fraction form
    4,721.76/7,114.14 = 4,277.58/x
  3. Step 3: Cross multiply
    4,721.76x = 7,114.14 × 4,277.58
  4. Step 4: Simplify right side
    4,721.76x = 30,431,302.98
  5. Step 5: Solve for x
    x = 30,431,302.98/4,721.76
  6. Step 6: Final answer
    x = 6,444.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.