Home / 10,289.46-15,421.80-4,735.14

Finding the Fourth Proportional to 10,289.46, 15,421.80 and 4,735.14

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Solution

The fourth proportional to 10,289.46, 15,421.80 and 4,735.14 is: 7,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.46 : 15,421.80 = 4,735.14 : x
  2. Step 2: Convert to fraction form
    10,289.46/15,421.80 = 4,735.14/x
  3. Step 3: Cross multiply
    10,289.46x = 15,421.80 × 4,735.14
  4. Step 4: Simplify right side
    10,289.46x = 73,024,382.05
  5. Step 5: Solve for x
    x = 73,024,382.05/10,289.46
  6. Step 6: Final answer
    x = 7,097.01

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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.