Home / 7,312.32-10,949.88-4,839.72

Finding the Fourth Proportional to 7,312.32, 10,949.88 and 4,839.72

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Solution

The fourth proportional to 7,312.32, 10,949.88 and 4,839.72 is: 7,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.32 : 10,949.88 = 4,839.72 : x
  2. Step 2: Convert to fraction form
    7,312.32/10,949.88 = 4,839.72/x
  3. Step 3: Cross multiply
    7,312.32x = 10,949.88 × 4,839.72
  4. Step 4: Simplify right side
    7,312.32x = 52,994,353.23
  5. Step 5: Solve for x
    x = 52,994,353.23/7,312.32
  6. Step 6: Final answer
    x = 7,247.27

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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.