Home / 4,688.58-6,471.52-2,919.14

Finding the Fourth Proportional to 4,688.58, 6,471.52 and 2,919.14

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Solution

The fourth proportional to 4,688.58, 6,471.52 and 2,919.14 is: 4,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.58 : 6,471.52 = 2,919.14 : x
  2. Step 2: Convert to fraction form
    4,688.58/6,471.52 = 2,919.14/x
  3. Step 3: Cross multiply
    4,688.58x = 6,471.52 × 2,919.14
  4. Step 4: Simplify right side
    4,688.58x = 18,891,272.89
  5. Step 5: Solve for x
    x = 18,891,272.89/4,688.58
  6. Step 6: Final answer
    x = 4,029.21

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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.