Home / 7,641.36-11,463.12-2,445.48

Finding the Fourth Proportional to 7,641.36, 11,463.12 and 2,445.48

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Solution

The fourth proportional to 7,641.36, 11,463.12 and 2,445.48 is: 3,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.36 : 11,463.12 = 2,445.48 : x
  2. Step 2: Convert to fraction form
    7,641.36/11,463.12 = 2,445.48/x
  3. Step 3: Cross multiply
    7,641.36x = 11,463.12 × 2,445.48
  4. Step 4: Simplify right side
    7,641.36x = 28,032,830.70
  5. Step 5: Solve for x
    x = 28,032,830.70/7,641.36
  6. Step 6: Final answer
    x = 3,668.57

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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.