Home / 5,358.40-8,045.68-4,375.60

Finding the Fourth Proportional to 5,358.40, 8,045.68 and 4,375.60

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Solution

The fourth proportional to 5,358.40, 8,045.68 and 4,375.60 is: 6,570.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.40 : 8,045.68 = 4,375.60 : x
  2. Step 2: Convert to fraction form
    5,358.40/8,045.68 = 4,375.60/x
  3. Step 3: Cross multiply
    5,358.40x = 8,045.68 × 4,375.60
  4. Step 4: Simplify right side
    5,358.40x = 35,204,677.41
  5. Step 5: Solve for x
    x = 35,204,677.41/5,358.40
  6. Step 6: Final answer
    x = 6,570.00

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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.