Home / 7,611.32-10,506.85-4,628.11

Finding the Fourth Proportional to 7,611.32, 10,506.85 and 4,628.11

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Solution

The fourth proportional to 7,611.32, 10,506.85 and 4,628.11 is: 6,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.32 : 10,506.85 = 4,628.11 : x
  2. Step 2: Convert to fraction form
    7,611.32/10,506.85 = 4,628.11/x
  3. Step 3: Cross multiply
    7,611.32x = 10,506.85 × 4,628.11
  4. Step 4: Simplify right side
    7,611.32x = 48,626,857.55
  5. Step 5: Solve for x
    x = 48,626,857.55/7,611.32
  6. Step 6: Final answer
    x = 6,388.75

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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.