Home / 8,141.80-11,235.62-4,605.02

Finding the Fourth Proportional to 8,141.80, 11,235.62 and 4,605.02

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Solution

The fourth proportional to 8,141.80, 11,235.62 and 4,605.02 is: 6,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.80 : 11,235.62 = 4,605.02 : x
  2. Step 2: Convert to fraction form
    8,141.80/11,235.62 = 4,605.02/x
  3. Step 3: Cross multiply
    8,141.80x = 11,235.62 × 4,605.02
  4. Step 4: Simplify right side
    8,141.80x = 51,740,254.81
  5. Step 5: Solve for x
    x = 51,740,254.81/8,141.80
  6. Step 6: Final answer
    x = 6,354.89

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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.