Home / 9,135.64-13,703.46-2,210.14

Finding the Fourth Proportional to 9,135.64, 13,703.46 and 2,210.14

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Solution

The fourth proportional to 9,135.64, 13,703.46 and 2,210.14 is: 3,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.64 : 13,703.46 = 2,210.14 : x
  2. Step 2: Convert to fraction form
    9,135.64/13,703.46 = 2,210.14/x
  3. Step 3: Cross multiply
    9,135.64x = 13,703.46 × 2,210.14
  4. Step 4: Simplify right side
    9,135.64x = 30,286,565.08
  5. Step 5: Solve for x
    x = 30,286,565.08/9,135.64
  6. Step 6: Final answer
    x = 3,315.21

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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.