Home / 4,812.64-7,218.78-1,526.08

Finding the Fourth Proportional to 4,812.64, 7,218.78 and 1,526.08

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Solution

The fourth proportional to 4,812.64, 7,218.78 and 1,526.08 is: 2,289.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.64 : 7,218.78 = 1,526.08 : x
  2. Step 2: Convert to fraction form
    4,812.64/7,218.78 = 1,526.08/x
  3. Step 3: Cross multiply
    4,812.64x = 7,218.78 × 1,526.08
  4. Step 4: Simplify right side
    4,812.64x = 11,016,435.78
  5. Step 5: Solve for x
    x = 11,016,435.78/4,812.64
  6. Step 6: Final answer
    x = 2,289.06

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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.