Home / 8,734.86-13,090.48-4,780.14

Finding the Fourth Proportional to 8,734.86, 13,090.48 and 4,780.14

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Solution

The fourth proportional to 8,734.86, 13,090.48 and 4,780.14 is: 7,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.86 : 13,090.48 = 4,780.14 : x
  2. Step 2: Convert to fraction form
    8,734.86/13,090.48 = 4,780.14/x
  3. Step 3: Cross multiply
    8,734.86x = 13,090.48 × 4,780.14
  4. Step 4: Simplify right side
    8,734.86x = 62,574,327.07
  5. Step 5: Solve for x
    x = 62,574,327.07/8,734.86
  6. Step 6: Final answer
    x = 7,163.75

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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.