Home / 6,865.16-9,473.56-4,212.12

Finding the Fourth Proportional to 6,865.16, 9,473.56 and 4,212.12

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Solution

The fourth proportional to 6,865.16, 9,473.56 and 4,212.12 is: 5,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.16 : 9,473.56 = 4,212.12 : x
  2. Step 2: Convert to fraction form
    6,865.16/9,473.56 = 4,212.12/x
  3. Step 3: Cross multiply
    6,865.16x = 9,473.56 × 4,212.12
  4. Step 4: Simplify right side
    6,865.16x = 39,903,771.55
  5. Step 5: Solve for x
    x = 39,903,771.55/6,865.16
  6. Step 6: Final answer
    x = 5,812.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.