Home / 9,161.09-13,740.08-2,585.74

Finding the Fourth Proportional to 9,161.09, 13,740.08 and 2,585.74

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Solution

The fourth proportional to 9,161.09, 13,740.08 and 2,585.74 is: 3,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.09 : 13,740.08 = 2,585.74 : x
  2. Step 2: Convert to fraction form
    9,161.09/13,740.08 = 2,585.74/x
  3. Step 3: Cross multiply
    9,161.09x = 13,740.08 × 2,585.74
  4. Step 4: Simplify right side
    9,161.09x = 35,528,205.76
  5. Step 5: Solve for x
    x = 35,528,205.76/9,161.09
  6. Step 6: Final answer
    x = 3,878.16

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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.