Home / 6,210.72-9,316.47-2,313.81

Finding the Fourth Proportional to 6,210.72, 9,316.47 and 2,313.81

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Solution

The fourth proportional to 6,210.72, 9,316.47 and 2,313.81 is: 3,470.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.72 : 9,316.47 = 2,313.81 : x
  2. Step 2: Convert to fraction form
    6,210.72/9,316.47 = 2,313.81/x
  3. Step 3: Cross multiply
    6,210.72x = 9,316.47 × 2,313.81
  4. Step 4: Simplify right side
    6,210.72x = 21,556,541.45
  5. Step 5: Solve for x
    x = 21,556,541.45/6,210.72
  6. Step 6: Final answer
    x = 3,470.86

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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.