Home / 7,462.14-10,299.90-4,978.14

Finding the Fourth Proportional to 7,462.14, 10,299.90 and 4,978.14

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Solution

The fourth proportional to 7,462.14, 10,299.90 and 4,978.14 is: 6,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,462.14 : 10,299.90 = 4,978.14 : x
  2. Step 2: Convert to fraction form
    7,462.14/10,299.90 = 4,978.14/x
  3. Step 3: Cross multiply
    7,462.14x = 10,299.90 × 4,978.14
  4. Step 4: Simplify right side
    7,462.14x = 51,274,344.19
  5. Step 5: Solve for x
    x = 51,274,344.19/7,462.14
  6. Step 6: Final answer
    x = 6,871.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.