Home / 4,890.30-6,746.96-3,122.93

Finding the Fourth Proportional to 4,890.30, 6,746.96 and 3,122.93

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Solution

The fourth proportional to 4,890.30, 6,746.96 and 3,122.93 is: 4,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.30 : 6,746.96 = 3,122.93 : x
  2. Step 2: Convert to fraction form
    4,890.30/6,746.96 = 3,122.93/x
  3. Step 3: Cross multiply
    4,890.30x = 6,746.96 × 3,122.93
  4. Step 4: Simplify right side
    4,890.30x = 21,070,283.79
  5. Step 5: Solve for x
    x = 21,070,283.79/4,890.30
  6. Step 6: Final answer
    x = 4,308.59

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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.