Home / 7,354.28-10,157.70-5,361.64

Finding the Fourth Proportional to 7,354.28, 10,157.70 and 5,361.64

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Solution

The fourth proportional to 7,354.28, 10,157.70 and 5,361.64 is: 7,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.28 : 10,157.70 = 5,361.64 : x
  2. Step 2: Convert to fraction form
    7,354.28/10,157.70 = 5,361.64/x
  3. Step 3: Cross multiply
    7,354.28x = 10,157.70 × 5,361.64
  4. Step 4: Simplify right side
    7,354.28x = 54,461,930.63
  5. Step 5: Solve for x
    x = 54,461,930.63/7,354.28
  6. Step 6: Final answer
    x = 7,405.47

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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.