Home / 4,928.10-7,390.80-2,006.70

Finding the Fourth Proportional to 4,928.10, 7,390.80 and 2,006.70

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Solution

The fourth proportional to 4,928.10, 7,390.80 and 2,006.70 is: 3,009.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.10 : 7,390.80 = 2,006.70 : x
  2. Step 2: Convert to fraction form
    4,928.10/7,390.80 = 2,006.70/x
  3. Step 3: Cross multiply
    4,928.10x = 7,390.80 × 2,006.70
  4. Step 4: Simplify right side
    4,928.10x = 14,831,118.36
  5. Step 5: Solve for x
    x = 14,831,118.36/4,928.10
  6. Step 6: Final answer
    x = 3,009.50

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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.