Home / 5,040.77-6,956.69-2,803.01

Finding the Fourth Proportional to 5,040.77, 6,956.69 and 2,803.01

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Solution

The fourth proportional to 5,040.77, 6,956.69 and 2,803.01 is: 3,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.77 : 6,956.69 = 2,803.01 : x
  2. Step 2: Convert to fraction form
    5,040.77/6,956.69 = 2,803.01/x
  3. Step 3: Cross multiply
    5,040.77x = 6,956.69 × 2,803.01
  4. Step 4: Simplify right side
    5,040.77x = 19,499,622.84
  5. Step 5: Solve for x
    x = 19,499,622.84/5,040.77
  6. Step 6: Final answer
    x = 3,868.39

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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.