Home / 4,785.45-6,604.56-2,897.10

Finding the Fourth Proportional to 4,785.45, 6,604.56 and 2,897.10

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Solution

The fourth proportional to 4,785.45, 6,604.56 and 2,897.10 is: 3,998.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.45 : 6,604.56 = 2,897.10 : x
  2. Step 2: Convert to fraction form
    4,785.45/6,604.56 = 2,897.10/x
  3. Step 3: Cross multiply
    4,785.45x = 6,604.56 × 2,897.10
  4. Step 4: Simplify right side
    4,785.45x = 19,134,070.78
  5. Step 5: Solve for x
    x = 19,134,070.78/4,785.45
  6. Step 6: Final answer
    x = 3,998.38

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Half scale
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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.