Home / 7,650.34-11,475.51-2,720.18

Finding the Fourth Proportional to 7,650.34, 11,475.51 and 2,720.18

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Solution

The fourth proportional to 7,650.34, 11,475.51 and 2,720.18 is: 4,080.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.34 : 11,475.51 = 2,720.18 : x
  2. Step 2: Convert to fraction form
    7,650.34/11,475.51 = 2,720.18/x
  3. Step 3: Cross multiply
    7,650.34x = 11,475.51 × 2,720.18
  4. Step 4: Simplify right side
    7,650.34x = 31,215,422.03
  5. Step 5: Solve for x
    x = 31,215,422.03/7,650.34
  6. Step 6: Final answer
    x = 4,080.26

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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.