Home / 6,144.20-9,216.29-1,527.20

Finding the Fourth Proportional to 6,144.20, 9,216.29 and 1,527.20

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Solution

The fourth proportional to 6,144.20, 9,216.29 and 1,527.20 is: 2,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.20 : 9,216.29 = 1,527.20 : x
  2. Step 2: Convert to fraction form
    6,144.20/9,216.29 = 1,527.20/x
  3. Step 3: Cross multiply
    6,144.20x = 9,216.29 × 1,527.20
  4. Step 4: Simplify right side
    6,144.20x = 14,075,064.37
  5. Step 5: Solve for x
    x = 14,075,064.37/6,144.20
  6. Step 6: Final answer
    x = 2,290.79

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Double scale
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Similar ratio
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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.