Home / 5,565.40-8,331.90-5,403.40

Finding the Fourth Proportional to 5,565.40, 8,331.90 and 5,403.40

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Solution

The fourth proportional to 5,565.40, 8,331.90 and 5,403.40 is: 8,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.40 : 8,331.90 = 5,403.40 : x
  2. Step 2: Convert to fraction form
    5,565.40/8,331.90 = 5,403.40/x
  3. Step 3: Cross multiply
    5,565.40x = 8,331.90 × 5,403.40
  4. Step 4: Simplify right side
    5,565.40x = 45,020,588.46
  5. Step 5: Solve for x
    x = 45,020,588.46/5,565.40
  6. Step 6: Final answer
    x = 8,089.37

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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.