Home / 4,785.89-6,603.76-2,897.15

Finding the Fourth Proportional to 4,785.89, 6,603.76 and 2,897.15

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Solution

The fourth proportional to 4,785.89, 6,603.76 and 2,897.15 is: 3,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.89 : 6,603.76 = 2,897.15 : x
  2. Step 2: Convert to fraction form
    4,785.89/6,603.76 = 2,897.15/x
  3. Step 3: Cross multiply
    4,785.89x = 6,603.76 × 2,897.15
  4. Step 4: Simplify right side
    4,785.89x = 19,132,083.28
  5. Step 5: Solve for x
    x = 19,132,083.28/4,785.89
  6. Step 6: Final answer
    x = 3,997.60

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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.