Home / 7,828.32-11,737.24-4,126.64

Finding the Fourth Proportional to 7,828.32, 11,737.24 and 4,126.64

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Solution

The fourth proportional to 7,828.32, 11,737.24 and 4,126.64 is: 6,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.32 : 11,737.24 = 4,126.64 : x
  2. Step 2: Convert to fraction form
    7,828.32/11,737.24 = 4,126.64/x
  3. Step 3: Cross multiply
    7,828.32x = 11,737.24 × 4,126.64
  4. Step 4: Simplify right side
    7,828.32x = 48,435,364.07
  5. Step 5: Solve for x
    x = 48,435,364.07/7,828.32
  6. Step 6: Final answer
    x = 6,187.20

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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.