Home / 4,455.87-6,149.52-2,688.93

Finding the Fourth Proportional to 4,455.87, 6,149.52 and 2,688.93

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Solution

The fourth proportional to 4,455.87, 6,149.52 and 2,688.93 is: 3,710.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.87 : 6,149.52 = 2,688.93 : x
  2. Step 2: Convert to fraction form
    4,455.87/6,149.52 = 2,688.93/x
  3. Step 3: Cross multiply
    4,455.87x = 6,149.52 × 2,688.93
  4. Step 4: Simplify right side
    4,455.87x = 16,535,628.81
  5. Step 5: Solve for x
    x = 16,535,628.81/4,455.87
  6. Step 6: Final answer
    x = 3,710.98

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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.