Home / 7,018.05-10,528.80-2,338.05

Finding the Fourth Proportional to 7,018.05, 10,528.80 and 2,338.05

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Solution

The fourth proportional to 7,018.05, 10,528.80 and 2,338.05 is: 3,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.05 : 10,528.80 = 2,338.05 : x
  2. Step 2: Convert to fraction form
    7,018.05/10,528.80 = 2,338.05/x
  3. Step 3: Cross multiply
    7,018.05x = 10,528.80 × 2,338.05
  4. Step 4: Simplify right side
    7,018.05x = 24,616,860.84
  5. Step 5: Solve for x
    x = 24,616,860.84/7,018.05
  6. Step 6: Final answer
    x = 3,507.65

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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.