Home / 7,188.21-10,783.35-2,256.21

Finding the Fourth Proportional to 7,188.21, 10,783.35 and 2,256.21

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Solution

The fourth proportional to 7,188.21, 10,783.35 and 2,256.21 is: 3,384.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.21 : 10,783.35 = 2,256.21 : x
  2. Step 2: Convert to fraction form
    7,188.21/10,783.35 = 2,256.21/x
  3. Step 3: Cross multiply
    7,188.21x = 10,783.35 × 2,256.21
  4. Step 4: Simplify right side
    7,188.21x = 24,329,502.10
  5. Step 5: Solve for x
    x = 24,329,502.10/7,188.21
  6. Step 6: Final answer
    x = 3,384.64

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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.