Home / 4,777.25-7,130.96-4,425.51

Finding the Fourth Proportional to 4,777.25, 7,130.96 and 4,425.51

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Solution

The fourth proportional to 4,777.25, 7,130.96 and 4,425.51 is: 6,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.25 : 7,130.96 = 4,425.51 : x
  2. Step 2: Convert to fraction form
    4,777.25/7,130.96 = 4,425.51/x
  3. Step 3: Cross multiply
    4,777.25x = 7,130.96 × 4,425.51
  4. Step 4: Simplify right side
    4,777.25x = 31,558,145.85
  5. Step 5: Solve for x
    x = 31,558,145.85/4,777.25
  6. Step 6: Final answer
    x = 6,605.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.