Home / 7,482.13-11,195.46-5,509.22

Finding the Fourth Proportional to 7,482.13, 11,195.46 and 5,509.22

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Solution

The fourth proportional to 7,482.13, 11,195.46 and 5,509.22 is: 8,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.13 : 11,195.46 = 5,509.22 : x
  2. Step 2: Convert to fraction form
    7,482.13/11,195.46 = 5,509.22/x
  3. Step 3: Cross multiply
    7,482.13x = 11,195.46 × 5,509.22
  4. Step 4: Simplify right side
    7,482.13x = 61,678,196.16
  5. Step 5: Solve for x
    x = 61,678,196.16/7,482.13
  6. Step 6: Final answer
    x = 8,243.40

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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.