Home / 7,848.35-10,830.87-4,311.75

Finding the Fourth Proportional to 7,848.35, 10,830.87 and 4,311.75

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Solution

The fourth proportional to 7,848.35, 10,830.87 and 4,311.75 is: 5,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.35 : 10,830.87 = 4,311.75 : x
  2. Step 2: Convert to fraction form
    7,848.35/10,830.87 = 4,311.75/x
  3. Step 3: Cross multiply
    7,848.35x = 10,830.87 × 4,311.75
  4. Step 4: Simplify right side
    7,848.35x = 46,700,003.72
  5. Step 5: Solve for x
    x = 46,700,003.72/7,848.35
  6. Step 6: Final answer
    x = 5,950.30

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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.