Home / 7,089.11-10,622.88-3,386.24

Finding the Fourth Proportional to 7,089.11, 10,622.88 and 3,386.24

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Solution

The fourth proportional to 7,089.11, 10,622.88 and 3,386.24 is: 5,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.11 : 10,622.88 = 3,386.24 : x
  2. Step 2: Convert to fraction form
    7,089.11/10,622.88 = 3,386.24/x
  3. Step 3: Cross multiply
    7,089.11x = 10,622.88 × 3,386.24
  4. Step 4: Simplify right side
    7,089.11x = 35,971,603.08
  5. Step 5: Solve for x
    x = 35,971,603.08/7,089.11
  6. Step 6: Final answer
    x = 5,074.21

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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.