Home / 5,068.38-6,994.48-2,830.15

Finding the Fourth Proportional to 5,068.38, 6,994.48 and 2,830.15

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Solution

The fourth proportional to 5,068.38, 6,994.48 and 2,830.15 is: 3,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.38 : 6,994.48 = 2,830.15 : x
  2. Step 2: Convert to fraction form
    5,068.38/6,994.48 = 2,830.15/x
  3. Step 3: Cross multiply
    5,068.38x = 6,994.48 × 2,830.15
  4. Step 4: Simplify right side
    5,068.38x = 19,795,427.57
  5. Step 5: Solve for x
    x = 19,795,427.57/5,068.38
  6. Step 6: Final answer
    x = 3,905.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.