Home / 4,760.80-7,140.10-1,799.56

Finding the Fourth Proportional to 4,760.80, 7,140.10 and 1,799.56

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Solution

The fourth proportional to 4,760.80, 7,140.10 and 1,799.56 is: 2,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.80 : 7,140.10 = 1,799.56 : x
  2. Step 2: Convert to fraction form
    4,760.80/7,140.10 = 1,799.56/x
  3. Step 3: Cross multiply
    4,760.80x = 7,140.10 × 1,799.56
  4. Step 4: Simplify right side
    4,760.80x = 12,849,038.36
  5. Step 5: Solve for x
    x = 12,849,038.36/4,760.80
  6. Step 6: Final answer
    x = 2,698.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.