Home / 7,538.43-10,405.18-4,554.46

Finding the Fourth Proportional to 7,538.43, 10,405.18 and 4,554.46

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Solution

The fourth proportional to 7,538.43, 10,405.18 and 4,554.46 is: 6,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.43 : 10,405.18 = 4,554.46 : x
  2. Step 2: Convert to fraction form
    7,538.43/10,405.18 = 4,554.46/x
  3. Step 3: Cross multiply
    7,538.43x = 10,405.18 × 4,554.46
  4. Step 4: Simplify right side
    7,538.43x = 47,389,976.10
  5. Step 5: Solve for x
    x = 47,389,976.10/7,538.43
  6. Step 6: Final answer
    x = 6,286.45

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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.