Home / 5,460.48-8,189.64-1,565.28

Finding the Fourth Proportional to 5,460.48, 8,189.64 and 1,565.28

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Solution

The fourth proportional to 5,460.48, 8,189.64 and 1,565.28 is: 2,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.48 : 8,189.64 = 1,565.28 : x
  2. Step 2: Convert to fraction form
    5,460.48/8,189.64 = 1,565.28/x
  3. Step 3: Cross multiply
    5,460.48x = 8,189.64 × 1,565.28
  4. Step 4: Simplify right side
    5,460.48x = 12,819,079.70
  5. Step 5: Solve for x
    x = 12,819,079.70/5,460.48
  6. Step 6: Final answer
    x = 2,347.61

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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.