Home / 9,712.60-14,559.30-3,861.40

Finding the Fourth Proportional to 9,712.60, 14,559.30 and 3,861.40

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Solution

The fourth proportional to 9,712.60, 14,559.30 and 3,861.40 is: 5,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.60 : 14,559.30 = 3,861.40 : x
  2. Step 2: Convert to fraction form
    9,712.60/14,559.30 = 3,861.40/x
  3. Step 3: Cross multiply
    9,712.60x = 14,559.30 × 3,861.40
  4. Step 4: Simplify right side
    9,712.60x = 56,219,281.02
  5. Step 5: Solve for x
    x = 56,219,281.02/9,712.60
  6. Step 6: Final answer
    x = 5,788.28

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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.