Home / 9,210.48-13,813.68-2,636.64

Finding the Fourth Proportional to 9,210.48, 13,813.68 and 2,636.64

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Solution

The fourth proportional to 9,210.48, 13,813.68 and 2,636.64 is: 3,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.48 : 13,813.68 = 2,636.64 : x
  2. Step 2: Convert to fraction form
    9,210.48/13,813.68 = 2,636.64/x
  3. Step 3: Cross multiply
    9,210.48x = 13,813.68 × 2,636.64
  4. Step 4: Simplify right side
    9,210.48x = 36,421,701.24
  5. Step 5: Solve for x
    x = 36,421,701.24/9,210.48
  6. Step 6: Final answer
    x = 3,954.38

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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.