Home / 5,511.64-7,607.92-3,156.16

Finding the Fourth Proportional to 5,511.64, 7,607.92 and 3,156.16

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Solution

The fourth proportional to 5,511.64, 7,607.92 and 3,156.16 is: 4,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.64 : 7,607.92 = 3,156.16 : x
  2. Step 2: Convert to fraction form
    5,511.64/7,607.92 = 3,156.16/x
  3. Step 3: Cross multiply
    5,511.64x = 7,607.92 × 3,156.16
  4. Step 4: Simplify right side
    5,511.64x = 24,011,812.79
  5. Step 5: Solve for x
    x = 24,011,812.79/5,511.64
  6. Step 6: Final answer
    x = 4,356.56

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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.