Home / 4,885.80-7,323.42-1,807.56

Finding the Fourth Proportional to 4,885.80, 7,323.42 and 1,807.56

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Solution

The fourth proportional to 4,885.80, 7,323.42 and 1,807.56 is: 2,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.80 : 7,323.42 = 1,807.56 : x
  2. Step 2: Convert to fraction form
    4,885.80/7,323.42 = 1,807.56/x
  3. Step 3: Cross multiply
    4,885.80x = 7,323.42 × 1,807.56
  4. Step 4: Simplify right side
    4,885.80x = 13,237,521.06
  5. Step 5: Solve for x
    x = 13,237,521.06/4,885.80
  6. Step 6: Final answer
    x = 2,709.39

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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.