Home / 5,053.86-6,973.83-2,815.65

Finding the Fourth Proportional to 5,053.86, 6,973.83 and 2,815.65

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Solution

The fourth proportional to 5,053.86, 6,973.83 and 2,815.65 is: 3,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.86 : 6,973.83 = 2,815.65 : x
  2. Step 2: Convert to fraction form
    5,053.86/6,973.83 = 2,815.65/x
  3. Step 3: Cross multiply
    5,053.86x = 6,973.83 × 2,815.65
  4. Step 4: Simplify right side
    5,053.86x = 19,635,864.44
  5. Step 5: Solve for x
    x = 19,635,864.44/5,053.86
  6. Step 6: Final answer
    x = 3,885.32

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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.