Home / 6,212.55-9,312.57-3,087.75

Finding the Fourth Proportional to 6,212.55, 9,312.57 and 3,087.75

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Solution

The fourth proportional to 6,212.55, 9,312.57 and 3,087.75 is: 4,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.55 : 9,312.57 = 3,087.75 : x
  2. Step 2: Convert to fraction form
    6,212.55/9,312.57 = 3,087.75/x
  3. Step 3: Cross multiply
    6,212.55x = 9,312.57 × 3,087.75
  4. Step 4: Simplify right side
    6,212.55x = 28,754,888.02
  5. Step 5: Solve for x
    x = 28,754,888.02/6,212.55
  6. Step 6: Final answer
    x = 4,628.52

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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.