Home / 5,130.16-7,696.44-1,667.41

Finding the Fourth Proportional to 5,130.16, 7,696.44 and 1,667.41

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Solution

The fourth proportional to 5,130.16, 7,696.44 and 1,667.41 is: 2,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.16 : 7,696.44 = 1,667.41 : x
  2. Step 2: Convert to fraction form
    5,130.16/7,696.44 = 1,667.41/x
  3. Step 3: Cross multiply
    5,130.16x = 7,696.44 × 1,667.41
  4. Step 4: Simplify right side
    5,130.16x = 12,833,121.02
  5. Step 5: Solve for x
    x = 12,833,121.02/5,130.16
  6. Step 6: Final answer
    x = 2,501.51

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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.