Home / 5,162.19-7,123.87-2,804.35

Finding the Fourth Proportional to 5,162.19, 7,123.87 and 2,804.35

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Solution

The fourth proportional to 5,162.19, 7,123.87 and 2,804.35 is: 3,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.19 : 7,123.87 = 2,804.35 : x
  2. Step 2: Convert to fraction form
    5,162.19/7,123.87 = 2,804.35/x
  3. Step 3: Cross multiply
    5,162.19x = 7,123.87 × 2,804.35
  4. Step 4: Simplify right side
    5,162.19x = 19,977,824.83
  5. Step 5: Solve for x
    x = 19,977,824.83/5,162.19
  6. Step 6: Final answer
    x = 3,870.03

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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.