Home / 9,135.57-13,703.37-2,210.07

Finding the Fourth Proportional to 9,135.57, 13,703.37 and 2,210.07

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Solution

The fourth proportional to 9,135.57, 13,703.37 and 2,210.07 is: 3,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.57 : 13,703.37 = 2,210.07 : x
  2. Step 2: Convert to fraction form
    9,135.57/13,703.37 = 2,210.07/x
  3. Step 3: Cross multiply
    9,135.57x = 13,703.37 × 2,210.07
  4. Step 4: Simplify right side
    9,135.57x = 30,285,395.89
  5. Step 5: Solve for x
    x = 30,285,395.89/9,135.57
  6. Step 6: Final answer
    x = 3,315.11

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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.