Home / 5,113.04-7,669.26-1,415.18

Finding the Fourth Proportional to 5,113.04, 7,669.26 and 1,415.18

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Solution

The fourth proportional to 5,113.04, 7,669.26 and 1,415.18 is: 2,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.04 : 7,669.26 = 1,415.18 : x
  2. Step 2: Convert to fraction form
    5,113.04/7,669.26 = 1,415.18/x
  3. Step 3: Cross multiply
    5,113.04x = 7,669.26 × 1,415.18
  4. Step 4: Simplify right side
    5,113.04x = 10,853,383.37
  5. Step 5: Solve for x
    x = 10,853,383.37/5,113.04
  6. Step 6: Final answer
    x = 2,122.69

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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.