Home / 4,870.32-6,719.40-2,772.96

Finding the Fourth Proportional to 4,870.32, 6,719.40 and 2,772.96

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Solution

The fourth proportional to 4,870.32, 6,719.40 and 2,772.96 is: 3,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.32 : 6,719.40 = 2,772.96 : x
  2. Step 2: Convert to fraction form
    4,870.32/6,719.40 = 2,772.96/x
  3. Step 3: Cross multiply
    4,870.32x = 6,719.40 × 2,772.96
  4. Step 4: Simplify right side
    4,870.32x = 18,632,627.42
  5. Step 5: Solve for x
    x = 18,632,627.42/4,870.32
  6. Step 6: Final answer
    x = 3,825.75

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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.