Home / 8,303.76-12,458.16-3,110.40

Finding the Fourth Proportional to 8,303.76, 12,458.16 and 3,110.40

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Solution

The fourth proportional to 8,303.76, 12,458.16 and 3,110.40 is: 4,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.76 : 12,458.16 = 3,110.40 : x
  2. Step 2: Convert to fraction form
    8,303.76/12,458.16 = 3,110.40/x
  3. Step 3: Cross multiply
    8,303.76x = 12,458.16 × 3,110.40
  4. Step 4: Simplify right side
    8,303.76x = 38,749,860.86
  5. Step 5: Solve for x
    x = 38,749,860.86/8,303.76
  6. Step 6: Final answer
    x = 4,666.54

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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.