Home / 7,018.30-10,523.75-6,218.90

Finding the Fourth Proportional to 7,018.30, 10,523.75 and 6,218.90

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Solution

The fourth proportional to 7,018.30, 10,523.75 and 6,218.90 is: 9,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.30 : 10,523.75 = 6,218.90 : x
  2. Step 2: Convert to fraction form
    7,018.30/10,523.75 = 6,218.90/x
  3. Step 3: Cross multiply
    7,018.30x = 10,523.75 × 6,218.90
  4. Step 4: Simplify right side
    7,018.30x = 65,446,065.16
  5. Step 5: Solve for x
    x = 65,446,065.16/7,018.30
  6. Step 6: Final answer
    x = 9,325.06

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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.