Home / 4,904.85-7,360.20-1,785.11

Finding the Fourth Proportional to 4,904.85, 7,360.20 and 1,785.11

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Solution

The fourth proportional to 4,904.85, 7,360.20 and 1,785.11 is: 2,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.85 : 7,360.20 = 1,785.11 : x
  2. Step 2: Convert to fraction form
    4,904.85/7,360.20 = 1,785.11/x
  3. Step 3: Cross multiply
    4,904.85x = 7,360.20 × 1,785.11
  4. Step 4: Simplify right side
    4,904.85x = 13,138,729.82
  5. Step 5: Solve for x
    x = 13,138,729.82/4,904.85
  6. Step 6: Final answer
    x = 2,678.72

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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.