Home / 9,108.16-13,657.92-2,950.72

Finding the Fourth Proportional to 9,108.16, 13,657.92 and 2,950.72

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Solution

The fourth proportional to 9,108.16, 13,657.92 and 2,950.72 is: 4,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.16 : 13,657.92 = 2,950.72 : x
  2. Step 2: Convert to fraction form
    9,108.16/13,657.92 = 2,950.72/x
  3. Step 3: Cross multiply
    9,108.16x = 13,657.92 × 2,950.72
  4. Step 4: Simplify right side
    9,108.16x = 40,300,697.70
  5. Step 5: Solve for x
    x = 40,300,697.70/9,108.16
  6. Step 6: Final answer
    x = 4,424.68

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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.