Home / 5,084.12-7,009.80-4,089.44

Finding the Fourth Proportional to 5,084.12, 7,009.80 and 4,089.44

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Solution

The fourth proportional to 5,084.12, 7,009.80 and 4,089.44 is: 5,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.12 : 7,009.80 = 4,089.44 : x
  2. Step 2: Convert to fraction form
    5,084.12/7,009.80 = 4,089.44/x
  3. Step 3: Cross multiply
    5,084.12x = 7,009.80 × 4,089.44
  4. Step 4: Simplify right side
    5,084.12x = 28,666,156.51
  5. Step 5: Solve for x
    x = 28,666,156.51/5,084.12
  6. Step 6: Final answer
    x = 5,638.37

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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.