Home / 7,835.31-11,754.32-4,140.63

Finding the Fourth Proportional to 7,835.31, 11,754.32 and 4,140.63

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Solution

The fourth proportional to 7,835.31, 11,754.32 and 4,140.63 is: 6,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.31 : 11,754.32 = 4,140.63 : x
  2. Step 2: Convert to fraction form
    7,835.31/11,754.32 = 4,140.63/x
  3. Step 3: Cross multiply
    7,835.31x = 11,754.32 × 4,140.63
  4. Step 4: Simplify right side
    7,835.31x = 48,670,269.32
  5. Step 5: Solve for x
    x = 48,670,269.32/7,835.31
  6. Step 6: Final answer
    x = 6,211.66

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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.