Home / 7,519.09-11,271.20-3,563.40

Finding the Fourth Proportional to 7,519.09, 11,271.20 and 3,563.40

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Solution

The fourth proportional to 7,519.09, 11,271.20 and 3,563.40 is: 5,341.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.09 : 11,271.20 = 3,563.40 : x
  2. Step 2: Convert to fraction form
    7,519.09/11,271.20 = 3,563.40/x
  3. Step 3: Cross multiply
    7,519.09x = 11,271.20 × 3,563.40
  4. Step 4: Simplify right side
    7,519.09x = 40,163,776.26
  5. Step 5: Solve for x
    x = 40,163,776.26/7,519.09
  6. Step 6: Final answer
    x = 5,341.58

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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.