Home / 9,055.35-13,581.68-3,210.57

Finding the Fourth Proportional to 9,055.35, 13,581.68 and 3,210.57

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Solution

The fourth proportional to 9,055.35, 13,581.68 and 3,210.57 is: 4,815.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.35 : 13,581.68 = 3,210.57 : x
  2. Step 2: Convert to fraction form
    9,055.35/13,581.68 = 3,210.57/x
  3. Step 3: Cross multiply
    9,055.35x = 13,581.68 × 3,210.57
  4. Step 4: Simplify right side
    9,055.35x = 43,604,918.30
  5. Step 5: Solve for x
    x = 43,604,918.30/9,055.35
  6. Step 6: Final answer
    x = 4,815.38

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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.