Home / 5,572.81-8,359.35-1,677.25

Finding the Fourth Proportional to 5,572.81, 8,359.35 and 1,677.25

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Solution

The fourth proportional to 5,572.81, 8,359.35 and 1,677.25 is: 2,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.81 : 8,359.35 = 1,677.25 : x
  2. Step 2: Convert to fraction form
    5,572.81/8,359.35 = 1,677.25/x
  3. Step 3: Cross multiply
    5,572.81x = 8,359.35 × 1,677.25
  4. Step 4: Simplify right side
    5,572.81x = 14,020,719.79
  5. Step 5: Solve for x
    x = 14,020,719.79/5,572.81
  6. Step 6: Final answer
    x = 2,515.92

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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.