Home / 5,580.14-8,368.38-2,291.76

Finding the Fourth Proportional to 5,580.14, 8,368.38 and 2,291.76

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Solution

The fourth proportional to 5,580.14, 8,368.38 and 2,291.76 is: 3,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.14 : 8,368.38 = 2,291.76 : x
  2. Step 2: Convert to fraction form
    5,580.14/8,368.38 = 2,291.76/x
  3. Step 3: Cross multiply
    5,580.14x = 8,368.38 × 2,291.76
  4. Step 4: Simplify right side
    5,580.14x = 19,178,318.55
  5. Step 5: Solve for x
    x = 19,178,318.55/5,580.14
  6. Step 6: Final answer
    x = 3,436.89

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1.5x scale

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.