Home / 5,363.40-8,045.28-1,665.60

Finding the Fourth Proportional to 5,363.40, 8,045.28 and 1,665.60

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Solution

The fourth proportional to 5,363.40, 8,045.28 and 1,665.60 is: 2,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.40 : 8,045.28 = 1,665.60 : x
  2. Step 2: Convert to fraction form
    5,363.40/8,045.28 = 1,665.60/x
  3. Step 3: Cross multiply
    5,363.40x = 8,045.28 × 1,665.60
  4. Step 4: Simplify right side
    5,363.40x = 13,400,218.37
  5. Step 5: Solve for x
    x = 13,400,218.37/5,363.40
  6. Step 6: Final answer
    x = 2,498.46

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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.