Home / 4,723.84-7,087.08-1,913.55

Finding the Fourth Proportional to 4,723.84, 7,087.08 and 1,913.55

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Solution

The fourth proportional to 4,723.84, 7,087.08 and 1,913.55 is: 2,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.84 : 7,087.08 = 1,913.55 : x
  2. Step 2: Convert to fraction form
    4,723.84/7,087.08 = 1,913.55/x
  3. Step 3: Cross multiply
    4,723.84x = 7,087.08 × 1,913.55
  4. Step 4: Simplify right side
    4,723.84x = 13,561,481.93
  5. Step 5: Solve for x
    x = 13,561,481.93/4,723.84
  6. Step 6: Final answer
    x = 2,870.86

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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.