Home / 10,298.36-15,438.29-4,748.87

Finding the Fourth Proportional to 10,298.36, 15,438.29 and 4,748.87

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Solution

The fourth proportional to 10,298.36, 15,438.29 and 4,748.87 is: 7,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298.36 : 15,438.29 = 4,748.87 : x
  2. Step 2: Convert to fraction form
    10,298.36/15,438.29 = 4,748.87/x
  3. Step 3: Cross multiply
    10,298.36x = 15,438.29 × 4,748.87
  4. Step 4: Simplify right side
    10,298.36x = 73,314,331.30
  5. Step 5: Solve for x
    x = 73,314,331.30/10,298.36
  6. Step 6: Final answer
    x = 7,119.03

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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.