Home / 9,130.60-13,697.96-2,890.99

Finding the Fourth Proportional to 9,130.60, 13,697.96 and 2,890.99

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Solution

The fourth proportional to 9,130.60, 13,697.96 and 2,890.99 is: 4,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.60 : 13,697.96 = 2,890.99 : x
  2. Step 2: Convert to fraction form
    9,130.60/13,697.96 = 2,890.99/x
  3. Step 3: Cross multiply
    9,130.60x = 13,697.96 × 2,890.99
  4. Step 4: Simplify right side
    9,130.60x = 39,600,665.38
  5. Step 5: Solve for x
    x = 39,600,665.38/9,130.60
  6. Step 6: Final answer
    x = 4,337.14

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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.