Home / 7,626.01-10,520.80-4,639.45

Finding the Fourth Proportional to 7,626.01, 10,520.80 and 4,639.45

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Solution

The fourth proportional to 7,626.01, 10,520.80 and 4,639.45 is: 6,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.01 : 10,520.80 = 4,639.45 : x
  2. Step 2: Convert to fraction form
    7,626.01/10,520.80 = 4,639.45/x
  3. Step 3: Cross multiply
    7,626.01x = 10,520.80 × 4,639.45
  4. Step 4: Simplify right side
    7,626.01x = 48,810,725.56
  5. Step 5: Solve for x
    x = 48,810,725.56/7,626.01
  6. Step 6: Final answer
    x = 6,400.56

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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.