Home / 7,274.41-10,902.30-4,640.90

Finding the Fourth Proportional to 7,274.41, 10,902.30 and 4,640.90

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Solution

The fourth proportional to 7,274.41, 10,902.30 and 4,640.90 is: 6,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.41 : 10,902.30 = 4,640.90 : x
  2. Step 2: Convert to fraction form
    7,274.41/10,902.30 = 4,640.90/x
  3. Step 3: Cross multiply
    7,274.41x = 10,902.30 × 4,640.90
  4. Step 4: Simplify right side
    7,274.41x = 50,596,412.16
  5. Step 5: Solve for x
    x = 50,596,412.16/7,274.41
  6. Step 6: Final answer
    x = 6,955.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.