Home / 5,126.69-7,073.59-2,888.57

Finding the Fourth Proportional to 5,126.69, 7,073.59 and 2,888.57

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Solution

The fourth proportional to 5,126.69, 7,073.59 and 2,888.57 is: 3,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.69 : 7,073.59 = 2,888.57 : x
  2. Step 2: Convert to fraction form
    5,126.69/7,073.59 = 2,888.57/x
  3. Step 3: Cross multiply
    5,126.69x = 7,073.59 × 2,888.57
  4. Step 4: Simplify right side
    5,126.69x = 20,432,559.87
  5. Step 5: Solve for x
    x = 20,432,559.87/5,126.69
  6. Step 6: Final answer
    x = 3,985.53

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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.