Home / 7,910.83-10,917.70-4,724.10

Finding the Fourth Proportional to 7,910.83, 10,917.70 and 4,724.10

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Solution

The fourth proportional to 7,910.83, 10,917.70 and 4,724.10 is: 6,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.83 : 10,917.70 = 4,724.10 : x
  2. Step 2: Convert to fraction form
    7,910.83/10,917.70 = 4,724.10/x
  3. Step 3: Cross multiply
    7,910.83x = 10,917.70 × 4,724.10
  4. Step 4: Simplify right side
    7,910.83x = 51,576,294.76
  5. Step 5: Solve for x
    x = 51,576,294.76/7,910.83
  6. Step 6: Final answer
    x = 6,519.71

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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.