Home / 8,303.47-12,455.95-2,756.87

Finding the Fourth Proportional to 8,303.47, 12,455.95 and 2,756.87

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Solution

The fourth proportional to 8,303.47, 12,455.95 and 2,756.87 is: 4,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.47 : 12,455.95 = 2,756.87 : x
  2. Step 2: Convert to fraction form
    8,303.47/12,455.95 = 2,756.87/x
  3. Step 3: Cross multiply
    8,303.47x = 12,455.95 × 2,756.87
  4. Step 4: Simplify right side
    8,303.47x = 34,339,358.81
  5. Step 5: Solve for x
    x = 34,339,358.81/8,303.47
  6. Step 6: Final answer
    x = 4,135.54

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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.