Home / 9,210.59-13,815.82-2,636.79

Finding the Fourth Proportional to 9,210.59, 13,815.82 and 2,636.79

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Solution

The fourth proportional to 9,210.59, 13,815.82 and 2,636.79 is: 3,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.59 : 13,815.82 = 2,636.79 : x
  2. Step 2: Convert to fraction form
    9,210.59/13,815.82 = 2,636.79/x
  3. Step 3: Cross multiply
    9,210.59x = 13,815.82 × 2,636.79
  4. Step 4: Simplify right side
    9,210.59x = 36,429,416.02
  5. Step 5: Solve for x
    x = 36,429,416.02/9,210.59
  6. Step 6: Final answer
    x = 3,955.17

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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.