Home / 4,970.64-6,861.90-3,486.36

Finding the Fourth Proportional to 4,970.64, 6,861.90 and 3,486.36

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Solution

The fourth proportional to 4,970.64, 6,861.90 and 3,486.36 is: 4,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.64 : 6,861.90 = 3,486.36 : x
  2. Step 2: Convert to fraction form
    4,970.64/6,861.90 = 3,486.36/x
  3. Step 3: Cross multiply
    4,970.64x = 6,861.90 × 3,486.36
  4. Step 4: Simplify right side
    4,970.64x = 23,923,053.68
  5. Step 5: Solve for x
    x = 23,923,053.68/4,970.64
  6. Step 6: Final answer
    x = 4,812.87

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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.