Home / 5,009.76-6,913.41-2,913.90

Finding the Fourth Proportional to 5,009.76, 6,913.41 and 2,913.90

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Solution

The fourth proportional to 5,009.76, 6,913.41 and 2,913.90 is: 4,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.76 : 6,913.41 = 2,913.90 : x
  2. Step 2: Convert to fraction form
    5,009.76/6,913.41 = 2,913.90/x
  3. Step 3: Cross multiply
    5,009.76x = 6,913.41 × 2,913.90
  4. Step 4: Simplify right side
    5,009.76x = 20,144,985.40
  5. Step 5: Solve for x
    x = 20,144,985.40/5,009.76
  6. Step 6: Final answer
    x = 4,021.15

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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.