Home / 4,980.60-7,467.45-2,205.76

Finding the Fourth Proportional to 4,980.60, 7,467.45 and 2,205.76

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Solution

The fourth proportional to 4,980.60, 7,467.45 and 2,205.76 is: 3,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.60 : 7,467.45 = 2,205.76 : x
  2. Step 2: Convert to fraction form
    4,980.60/7,467.45 = 2,205.76/x
  3. Step 3: Cross multiply
    4,980.60x = 7,467.45 × 2,205.76
  4. Step 4: Simplify right side
    4,980.60x = 16,471,402.51
  5. Step 5: Solve for x
    x = 16,471,402.51/4,980.60
  6. Step 6: Final answer
    x = 3,307.11

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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.