Home / 5,513.16-7,608.81-3,156.06

Finding the Fourth Proportional to 5,513.16, 7,608.81 and 3,156.06

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Solution

The fourth proportional to 5,513.16, 7,608.81 and 3,156.06 is: 4,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.16 : 7,608.81 = 3,156.06 : x
  2. Step 2: Convert to fraction form
    5,513.16/7,608.81 = 3,156.06/x
  3. Step 3: Cross multiply
    5,513.16x = 7,608.81 × 3,156.06
  4. Step 4: Simplify right side
    5,513.16x = 24,013,822.84
  5. Step 5: Solve for x
    x = 24,013,822.84/5,513.16
  6. Step 6: Final answer
    x = 4,355.73

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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.