Home / 4,870.32-6,722.16-2,854.65

Finding the Fourth Proportional to 4,870.32, 6,722.16 and 2,854.65

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Solution

The fourth proportional to 4,870.32, 6,722.16 and 2,854.65 is: 3,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.32 : 6,722.16 = 2,854.65 : x
  2. Step 2: Convert to fraction form
    4,870.32/6,722.16 = 2,854.65/x
  3. Step 3: Cross multiply
    4,870.32x = 6,722.16 × 2,854.65
  4. Step 4: Simplify right side
    4,870.32x = 19,189,414.04
  5. Step 5: Solve for x
    x = 19,189,414.04/4,870.32
  6. Step 6: Final answer
    x = 3,940.07

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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.