Home / 7,440.21-10,267.97-4,917.89

Finding the Fourth Proportional to 7,440.21, 10,267.97 and 4,917.89

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Solution

The fourth proportional to 7,440.21, 10,267.97 and 4,917.89 is: 6,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.21 : 10,267.97 = 4,917.89 : x
  2. Step 2: Convert to fraction form
    7,440.21/10,267.97 = 4,917.89/x
  3. Step 3: Cross multiply
    7,440.21x = 10,267.97 × 4,917.89
  4. Step 4: Simplify right side
    7,440.21x = 50,496,748.06
  5. Step 5: Solve for x
    x = 50,496,748.06/7,440.21
  6. Step 6: Final answer
    x = 6,787.01

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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.