Home / 7,188.95-10,783.41-3,235.58

Finding the Fourth Proportional to 7,188.95, 10,783.41 and 3,235.58

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Solution

The fourth proportional to 7,188.95, 10,783.41 and 3,235.58 is: 4,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.95 : 10,783.41 = 3,235.58 : x
  2. Step 2: Convert to fraction form
    7,188.95/10,783.41 = 3,235.58/x
  3. Step 3: Cross multiply
    7,188.95x = 10,783.41 × 3,235.58
  4. Step 4: Simplify right side
    7,188.95x = 34,890,531.81
  5. Step 5: Solve for x
    x = 34,890,531.81/7,188.95
  6. Step 6: Final answer
    x = 4,853.36

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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.