Home / 5,013.90-6,918.21-2,916.81

Finding the Fourth Proportional to 5,013.90, 6,918.21 and 2,916.81

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Solution

The fourth proportional to 5,013.90, 6,918.21 and 2,916.81 is: 4,024.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.90 : 6,918.21 = 2,916.81 : x
  2. Step 2: Convert to fraction form
    5,013.90/6,918.21 = 2,916.81/x
  3. Step 3: Cross multiply
    5,013.90x = 6,918.21 × 2,916.81
  4. Step 4: Simplify right side
    5,013.90x = 20,179,104.11
  5. Step 5: Solve for x
    x = 20,179,104.11/5,013.90
  6. Step 6: Final answer
    x = 4,024.63

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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.