Home / 4,935.64-6,810.72-2,945.80

Finding the Fourth Proportional to 4,935.64, 6,810.72 and 2,945.80

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Solution

The fourth proportional to 4,935.64, 6,810.72 and 2,945.80 is: 4,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.64 : 6,810.72 = 2,945.80 : x
  2. Step 2: Convert to fraction form
    4,935.64/6,810.72 = 2,945.80/x
  3. Step 3: Cross multiply
    4,935.64x = 6,810.72 × 2,945.80
  4. Step 4: Simplify right side
    4,935.64x = 20,063,018.98
  5. Step 5: Solve for x
    x = 20,063,018.98/4,935.64
  6. Step 6: Final answer
    x = 4,064.93

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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.