Home / 7,438.70-10,265.18-4,453.02

Finding the Fourth Proportional to 7,438.70, 10,265.18 and 4,453.02

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Solution

The fourth proportional to 7,438.70, 10,265.18 and 4,453.02 is: 6,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.70 : 10,265.18 = 4,453.02 : x
  2. Step 2: Convert to fraction form
    7,438.70/10,265.18 = 4,453.02/x
  3. Step 3: Cross multiply
    7,438.70x = 10,265.18 × 4,453.02
  4. Step 4: Simplify right side
    7,438.70x = 45,711,051.84
  5. Step 5: Solve for x
    x = 45,711,051.84/7,438.70
  6. Step 6: Final answer
    x = 6,145.03

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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.