Home / 7,629.80-10,529.49-4,645.15

Finding the Fourth Proportional to 7,629.80, 10,529.49 and 4,645.15

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Solution

The fourth proportional to 7,629.80, 10,529.49 and 4,645.15 is: 6,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.80 : 10,529.49 = 4,645.15 : x
  2. Step 2: Convert to fraction form
    7,629.80/10,529.49 = 4,645.15/x
  3. Step 3: Cross multiply
    7,629.80x = 10,529.49 × 4,645.15
  4. Step 4: Simplify right side
    7,629.80x = 48,911,051.57
  5. Step 5: Solve for x
    x = 48,911,051.57/7,629.80
  6. Step 6: Final answer
    x = 6,410.53

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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.