Home / 4,771.66-7,158.25-1,485.51

Finding the Fourth Proportional to 4,771.66, 7,158.25 and 1,485.51

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Solution

The fourth proportional to 4,771.66, 7,158.25 and 1,485.51 is: 2,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.66 : 7,158.25 = 1,485.51 : x
  2. Step 2: Convert to fraction form
    4,771.66/7,158.25 = 1,485.51/x
  3. Step 3: Cross multiply
    4,771.66x = 7,158.25 × 1,485.51
  4. Step 4: Simplify right side
    4,771.66x = 10,633,655.67
  5. Step 5: Solve for x
    x = 10,633,655.67/4,771.66
  6. Step 6: Final answer
    x = 2,228.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.