Home / 5,685.36-7,845.84-3,562.08

Finding the Fourth Proportional to 5,685.36, 7,845.84 and 3,562.08

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Solution

The fourth proportional to 5,685.36, 7,845.84 and 3,562.08 is: 4,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.36 : 7,845.84 = 3,562.08 : x
  2. Step 2: Convert to fraction form
    5,685.36/7,845.84 = 3,562.08/x
  3. Step 3: Cross multiply
    5,685.36x = 7,845.84 × 3,562.08
  4. Step 4: Simplify right side
    5,685.36x = 27,947,509.75
  5. Step 5: Solve for x
    x = 27,947,509.75/5,685.36
  6. Step 6: Final answer
    x = 4,915.70

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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.