Home / 5,162.51-7,123.92-2,804.60

Finding the Fourth Proportional to 5,162.51, 7,123.92 and 2,804.60

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Solution

The fourth proportional to 5,162.51, 7,123.92 and 2,804.60 is: 3,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.51 : 7,123.92 = 2,804.60 : x
  2. Step 2: Convert to fraction form
    5,162.51/7,123.92 = 2,804.60/x
  3. Step 3: Cross multiply
    5,162.51x = 7,123.92 × 2,804.60
  4. Step 4: Simplify right side
    5,162.51x = 19,979,753.32
  5. Step 5: Solve for x
    x = 19,979,753.32/5,162.51
  6. Step 6: Final answer
    x = 3,870.16

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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.