Home / 6,687.12-10,040.40-4,937.52

Finding the Fourth Proportional to 6,687.12, 10,040.40 and 4,937.52

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Solution

The fourth proportional to 6,687.12, 10,040.40 and 4,937.52 is: 7,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.12 : 10,040.40 = 4,937.52 : x
  2. Step 2: Convert to fraction form
    6,687.12/10,040.40 = 4,937.52/x
  3. Step 3: Cross multiply
    6,687.12x = 10,040.40 × 4,937.52
  4. Step 4: Simplify right side
    6,687.12x = 49,574,675.81
  5. Step 5: Solve for x
    x = 49,574,675.81/6,687.12
  6. Step 6: Final answer
    x = 7,413.46

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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.