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Finding the Fourth Proportional to 6,555.80, 9,835.16 and 1,875.83

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Solution

The fourth proportional to 6,555.80, 9,835.16 and 1,875.83 is: 2,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.80 : 9,835.16 = 1,875.83 : x
  2. Step 2: Convert to fraction form
    6,555.80/9,835.16 = 1,875.83/x
  3. Step 3: Cross multiply
    6,555.80x = 9,835.16 × 1,875.83
  4. Step 4: Simplify right side
    6,555.80x = 18,449,029.63
  5. Step 5: Solve for x
    x = 18,449,029.63/6,555.80
  6. Step 6: Final answer
    x = 2,814.15

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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.