Home / 9,581.60-14,372.40-5,207.60

Finding the Fourth Proportional to 9,581.60, 14,372.40 and 5,207.60

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Solution

The fourth proportional to 9,581.60, 14,372.40 and 5,207.60 is: 7,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,581.60 : 14,372.40 = 5,207.60 : x
  2. Step 2: Convert to fraction form
    9,581.60/14,372.40 = 5,207.60/x
  3. Step 3: Cross multiply
    9,581.60x = 14,372.40 × 5,207.60
  4. Step 4: Simplify right side
    9,581.60x = 74,845,710.24
  5. Step 5: Solve for x
    x = 74,845,710.24/9,581.60
  6. Step 6: Final answer
    x = 7,811.40

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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.