Home / 8,911.95-13,367.52-4,228.53

Finding the Fourth Proportional to 8,911.95, 13,367.52 and 4,228.53

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Solution

The fourth proportional to 8,911.95, 13,367.52 and 4,228.53 is: 6,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.95 : 13,367.52 = 4,228.53 : x
  2. Step 2: Convert to fraction form
    8,911.95/13,367.52 = 4,228.53/x
  3. Step 3: Cross multiply
    8,911.95x = 13,367.52 × 4,228.53
  4. Step 4: Simplify right side
    8,911.95x = 56,524,959.35
  5. Step 5: Solve for x
    x = 56,524,959.35/8,911.95
  6. Step 6: Final answer
    x = 6,342.60

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1.5x scale

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.