Home / 9,028.70-13,543.40-2,788.16

Finding the Fourth Proportional to 9,028.70, 13,543.40 and 2,788.16

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Solution

The fourth proportional to 9,028.70, 13,543.40 and 2,788.16 is: 4,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.70 : 13,543.40 = 2,788.16 : x
  2. Step 2: Convert to fraction form
    9,028.70/13,543.40 = 2,788.16/x
  3. Step 3: Cross multiply
    9,028.70x = 13,543.40 × 2,788.16
  4. Step 4: Simplify right side
    9,028.70x = 37,761,166.14
  5. Step 5: Solve for x
    x = 37,761,166.14/9,028.70
  6. Step 6: Final answer
    x = 4,182.35

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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.