Home / 5,210.12-7,815.53-1,923.44

Finding the Fourth Proportional to 5,210.12, 7,815.53 and 1,923.44

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Solution

The fourth proportional to 5,210.12, 7,815.53 and 1,923.44 is: 2,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.12 : 7,815.53 = 1,923.44 : x
  2. Step 2: Convert to fraction form
    5,210.12/7,815.53 = 1,923.44/x
  3. Step 3: Cross multiply
    5,210.12x = 7,815.53 × 1,923.44
  4. Step 4: Simplify right side
    5,210.12x = 15,032,668.75
  5. Step 5: Solve for x
    x = 15,032,668.75/5,210.12
  6. Step 6: Final answer
    x = 2,885.28

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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.