Home / 4,570.78-6,307.79-2,803.36

Finding the Fourth Proportional to 4,570.78, 6,307.79 and 2,803.36

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Solution

The fourth proportional to 4,570.78, 6,307.79 and 2,803.36 is: 3,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,570.78 : 6,307.79 = 2,803.36 : x
  2. Step 2: Convert to fraction form
    4,570.78/6,307.79 = 2,803.36/x
  3. Step 3: Cross multiply
    4,570.78x = 6,307.79 × 2,803.36
  4. Step 4: Simplify right side
    4,570.78x = 17,682,960.62
  5. Step 5: Solve for x
    x = 17,682,960.62/4,570.78
  6. Step 6: Final answer
    x = 3,868.70

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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.