Home / 5,642.16-8,463.81-1,943.90

Finding the Fourth Proportional to 5,642.16, 8,463.81 and 1,943.90

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Solution

The fourth proportional to 5,642.16, 8,463.81 and 1,943.90 is: 2,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.16 : 8,463.81 = 1,943.90 : x
  2. Step 2: Convert to fraction form
    5,642.16/8,463.81 = 1,943.90/x
  3. Step 3: Cross multiply
    5,642.16x = 8,463.81 × 1,943.90
  4. Step 4: Simplify right side
    5,642.16x = 16,452,800.26
  5. Step 5: Solve for x
    x = 16,452,800.26/5,642.16
  6. Step 6: Final answer
    x = 2,916.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.