Home / 7,438.30-10,266.56-4,455.88

Finding the Fourth Proportional to 7,438.30, 10,266.56 and 4,455.88

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Solution

The fourth proportional to 7,438.30, 10,266.56 and 4,455.88 is: 6,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.30 : 10,266.56 = 4,455.88 : x
  2. Step 2: Convert to fraction form
    7,438.30/10,266.56 = 4,455.88/x
  3. Step 3: Cross multiply
    7,438.30x = 10,266.56 × 4,455.88
  4. Step 4: Simplify right side
    7,438.30x = 45,746,559.37
  5. Step 5: Solve for x
    x = 45,746,559.37/7,438.30
  6. Step 6: Final answer
    x = 6,150.14

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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.