Home / 6,971.57-10,457.82-2,811.60

Finding the Fourth Proportional to 6,971.57, 10,457.82 and 2,811.60

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Solution

The fourth proportional to 6,971.57, 10,457.82 and 2,811.60 is: 4,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.57 : 10,457.82 = 2,811.60 : x
  2. Step 2: Convert to fraction form
    6,971.57/10,457.82 = 2,811.60/x
  3. Step 3: Cross multiply
    6,971.57x = 10,457.82 × 2,811.60
  4. Step 4: Simplify right side
    6,971.57x = 29,403,206.71
  5. Step 5: Solve for x
    x = 29,403,206.71/6,971.57
  6. Step 6: Final answer
    x = 4,217.59

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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.