Home / 5,053.63-7,578.15-2,130.34

Finding the Fourth Proportional to 5,053.63, 7,578.15 and 2,130.34

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Solution

The fourth proportional to 5,053.63, 7,578.15 and 2,130.34 is: 3,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.63 : 7,578.15 = 2,130.34 : x
  2. Step 2: Convert to fraction form
    5,053.63/7,578.15 = 2,130.34/x
  3. Step 3: Cross multiply
    5,053.63x = 7,578.15 × 2,130.34
  4. Step 4: Simplify right side
    5,053.63x = 16,144,036.07
  5. Step 5: Solve for x
    x = 16,144,036.07/5,053.63
  6. Step 6: Final answer
    x = 3,194.54

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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.