Home / 4,785.76-6,603.96-2,689.84

Finding the Fourth Proportional to 4,785.76, 6,603.96 and 2,689.84

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Solution

The fourth proportional to 4,785.76, 6,603.96 and 2,689.84 is: 3,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.76 : 6,603.96 = 2,689.84 : x
  2. Step 2: Convert to fraction form
    4,785.76/6,603.96 = 2,689.84/x
  3. Step 3: Cross multiply
    4,785.76x = 6,603.96 × 2,689.84
  4. Step 4: Simplify right side
    4,785.76x = 17,763,595.77
  5. Step 5: Solve for x
    x = 17,763,595.77/4,785.76
  6. Step 6: Final answer
    x = 3,711.76

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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.