Home / 7,638.14-10,522.41-6,284.93

Finding the Fourth Proportional to 7,638.14, 10,522.41 and 6,284.93

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Solution

The fourth proportional to 7,638.14, 10,522.41 and 6,284.93 is: 8,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.14 : 10,522.41 = 6,284.93 : x
  2. Step 2: Convert to fraction form
    7,638.14/10,522.41 = 6,284.93/x
  3. Step 3: Cross multiply
    7,638.14x = 10,522.41 × 6,284.93
  4. Step 4: Simplify right side
    7,638.14x = 66,132,610.28
  5. Step 5: Solve for x
    x = 66,132,610.28/7,638.14
  6. Step 6: Final answer
    x = 8,658.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.