Home / 5,021.57-6,925.86-3,030.05

Finding the Fourth Proportional to 5,021.57, 6,925.86 and 3,030.05

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Solution

The fourth proportional to 5,021.57, 6,925.86 and 3,030.05 is: 4,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.57 : 6,925.86 = 3,030.05 : x
  2. Step 2: Convert to fraction form
    5,021.57/6,925.86 = 3,030.05/x
  3. Step 3: Cross multiply
    5,021.57x = 6,925.86 × 3,030.05
  4. Step 4: Simplify right side
    5,021.57x = 20,985,702.09
  5. Step 5: Solve for x
    x = 20,985,702.09/5,021.57
  6. Step 6: Final answer
    x = 4,179.11

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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.