Home / 5,465.71-8,199.78-1,569.82

Finding the Fourth Proportional to 5,465.71, 8,199.78 and 1,569.82

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Solution

The fourth proportional to 5,465.71, 8,199.78 and 1,569.82 is: 2,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.71 : 8,199.78 = 1,569.82 : x
  2. Step 2: Convert to fraction form
    5,465.71/8,199.78 = 1,569.82/x
  3. Step 3: Cross multiply
    5,465.71x = 8,199.78 × 1,569.82
  4. Step 4: Simplify right side
    5,465.71x = 12,872,178.64
  5. Step 5: Solve for x
    x = 12,872,178.64/5,465.71
  6. Step 6: Final answer
    x = 2,355.08

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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.