Home / 6,719.34-9,271.68-3,735.20

Finding the Fourth Proportional to 6,719.34, 9,271.68 and 3,735.20

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Solution

The fourth proportional to 6,719.34, 9,271.68 and 3,735.20 is: 5,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.34 : 9,271.68 = 3,735.20 : x
  2. Step 2: Convert to fraction form
    6,719.34/9,271.68 = 3,735.20/x
  3. Step 3: Cross multiply
    6,719.34x = 9,271.68 × 3,735.20
  4. Step 4: Simplify right side
    6,719.34x = 34,631,579.14
  5. Step 5: Solve for x
    x = 34,631,579.14/6,719.34
  6. Step 6: Final answer
    x = 5,154.01

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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.