Home / 7,130.64-10,697.75-2,748.41

Finding the Fourth Proportional to 7,130.64, 10,697.75 and 2,748.41

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Solution

The fourth proportional to 7,130.64, 10,697.75 and 2,748.41 is: 4,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.64 : 10,697.75 = 2,748.41 : x
  2. Step 2: Convert to fraction form
    7,130.64/10,697.75 = 2,748.41/x
  3. Step 3: Cross multiply
    7,130.64x = 10,697.75 × 2,748.41
  4. Step 4: Simplify right side
    7,130.64x = 29,401,803.08
  5. Step 5: Solve for x
    x = 29,401,803.08/7,130.64
  6. Step 6: Final answer
    x = 4,123.30

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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.