Home / 5,848-8,074.56-4,278.40

Finding the Fourth Proportional to 5,848, 8,074.56 and 4,278.40

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Solution

The fourth proportional to 5,848, 8,074.56 and 4,278.40 is: 5,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,848 : 8,074.56 = 4,278.40 : x
  2. Step 2: Convert to fraction form
    5,848/8,074.56 = 4,278.40/x
  3. Step 3: Cross multiply
    5,848x = 8,074.56 × 4,278.40
  4. Step 4: Simplify right side
    5,848x = 34,546,197.50
  5. Step 5: Solve for x
    x = 34,546,197.50/5,848
  6. Step 6: Final answer
    x = 5,907.35

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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.