Home / 4,815.92-7,182.10-4,349.36

Finding the Fourth Proportional to 4,815.92, 7,182.10 and 4,349.36

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Solution

The fourth proportional to 4,815.92, 7,182.10 and 4,349.36 is: 6,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.92 : 7,182.10 = 4,349.36 : x
  2. Step 2: Convert to fraction form
    4,815.92/7,182.10 = 4,349.36/x
  3. Step 3: Cross multiply
    4,815.92x = 7,182.10 × 4,349.36
  4. Step 4: Simplify right side
    4,815.92x = 31,237,538.46
  5. Step 5: Solve for x
    x = 31,237,538.46/4,815.92
  6. Step 6: Final answer
    x = 6,486.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.