Home / 4,815.12-6,642.90-2,926.74

Finding the Fourth Proportional to 4,815.12, 6,642.90 and 2,926.74

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Solution

The fourth proportional to 4,815.12, 6,642.90 and 2,926.74 is: 4,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.12 : 6,642.90 = 2,926.74 : x
  2. Step 2: Convert to fraction form
    4,815.12/6,642.90 = 2,926.74/x
  3. Step 3: Cross multiply
    4,815.12x = 6,642.90 × 2,926.74
  4. Step 4: Simplify right side
    4,815.12x = 19,442,041.15
  5. Step 5: Solve for x
    x = 19,442,041.15/4,815.12
  6. Step 6: Final answer
    x = 4,037.71

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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.