Home / 9,103.86-12,559.95-5,961.78

Finding the Fourth Proportional to 9,103.86, 12,559.95 and 5,961.78

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Solution

The fourth proportional to 9,103.86, 12,559.95 and 5,961.78 is: 8,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.86 : 12,559.95 = 5,961.78 : x
  2. Step 2: Convert to fraction form
    9,103.86/12,559.95 = 5,961.78/x
  3. Step 3: Cross multiply
    9,103.86x = 12,559.95 × 5,961.78
  4. Step 4: Simplify right side
    9,103.86x = 74,879,658.71
  5. Step 5: Solve for x
    x = 74,879,658.71/9,103.86
  6. Step 6: Final answer
    x = 8,225.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.