Home / 7,018.77-10,523.23-2,857.53

Finding the Fourth Proportional to 7,018.77, 10,523.23 and 2,857.53

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Solution

The fourth proportional to 7,018.77, 10,523.23 and 2,857.53 is: 4,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.77 : 10,523.23 = 2,857.53 : x
  2. Step 2: Convert to fraction form
    7,018.77/10,523.23 = 2,857.53/x
  3. Step 3: Cross multiply
    7,018.77x = 10,523.23 × 2,857.53
  4. Step 4: Simplify right side
    7,018.77x = 30,070,438.28
  5. Step 5: Solve for x
    x = 30,070,438.28/7,018.77
  6. Step 6: Final answer
    x = 4,284.29

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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.