Home / 7,089.21-10,624.23-5,118.21

Finding the Fourth Proportional to 7,089.21, 10,624.23 and 5,118.21

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Solution

The fourth proportional to 7,089.21, 10,624.23 and 5,118.21 is: 7,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.21 : 10,624.23 = 5,118.21 : x
  2. Step 2: Convert to fraction form
    7,089.21/10,624.23 = 5,118.21/x
  3. Step 3: Cross multiply
    7,089.21x = 10,624.23 × 5,118.21
  4. Step 4: Simplify right side
    7,089.21x = 54,377,040.23
  5. Step 5: Solve for x
    x = 54,377,040.23/7,089.21
  6. Step 6: Final answer
    x = 7,670.39

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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.