Home / 5,516.51-8,228.18-4,628.61

Finding the Fourth Proportional to 5,516.51, 8,228.18 and 4,628.61

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Solution

The fourth proportional to 5,516.51, 8,228.18 and 4,628.61 is: 6,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.51 : 8,228.18 = 4,628.61 : x
  2. Step 2: Convert to fraction form
    5,516.51/8,228.18 = 4,628.61/x
  3. Step 3: Cross multiply
    5,516.51x = 8,228.18 × 4,628.61
  4. Step 4: Simplify right side
    5,516.51x = 38,085,047.80
  5. Step 5: Solve for x
    x = 38,085,047.80/5,516.51
  6. Step 6: Final answer
    x = 6,903.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.