Home / 7,528.78-11,289.89-4,018.01

Finding the Fourth Proportional to 7,528.78, 11,289.89 and 4,018.01

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Solution

The fourth proportional to 7,528.78, 11,289.89 and 4,018.01 is: 6,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.78 : 11,289.89 = 4,018.01 : x
  2. Step 2: Convert to fraction form
    7,528.78/11,289.89 = 4,018.01/x
  3. Step 3: Cross multiply
    7,528.78x = 11,289.89 × 4,018.01
  4. Step 4: Simplify right side
    7,528.78x = 45,362,814.38
  5. Step 5: Solve for x
    x = 45,362,814.38/7,528.78
  6. Step 6: Final answer
    x = 6,025.26

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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.