Home / 6,513.03-9,770.76-2,130.72

Finding the Fourth Proportional to 6,513.03, 9,770.76 and 2,130.72

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Solution

The fourth proportional to 6,513.03, 9,770.76 and 2,130.72 is: 3,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.03 : 9,770.76 = 2,130.72 : x
  2. Step 2: Convert to fraction form
    6,513.03/9,770.76 = 2,130.72/x
  3. Step 3: Cross multiply
    6,513.03x = 9,770.76 × 2,130.72
  4. Step 4: Simplify right side
    6,513.03x = 20,818,743.09
  5. Step 5: Solve for x
    x = 20,818,743.09/6,513.03
  6. Step 6: Final answer
    x = 3,196.48

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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.