Home / 9,210.51-13,815.90-2,285.01

Finding the Fourth Proportional to 9,210.51, 13,815.90 and 2,285.01

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Solution

The fourth proportional to 9,210.51, 13,815.90 and 2,285.01 is: 3,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.51 : 13,815.90 = 2,285.01 : x
  2. Step 2: Convert to fraction form
    9,210.51/13,815.90 = 2,285.01/x
  3. Step 3: Cross multiply
    9,210.51x = 13,815.90 × 2,285.01
  4. Step 4: Simplify right side
    9,210.51x = 31,569,469.66
  5. Step 5: Solve for x
    x = 31,569,469.66/9,210.51
  6. Step 6: Final answer
    x = 3,427.55

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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.