Home / 6,629.12-9,150.20-4,271.20

Finding the Fourth Proportional to 6,629.12, 9,150.20 and 4,271.20

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Solution

The fourth proportional to 6,629.12, 9,150.20 and 4,271.20 is: 5,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.12 : 9,150.20 = 4,271.20 : x
  2. Step 2: Convert to fraction form
    6,629.12/9,150.20 = 4,271.20/x
  3. Step 3: Cross multiply
    6,629.12x = 9,150.20 × 4,271.20
  4. Step 4: Simplify right side
    6,629.12x = 39,082,334.24
  5. Step 5: Solve for x
    x = 39,082,334.24/6,629.12
  6. Step 6: Final answer
    x = 5,895.55

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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.