Home / 4,258.60-6,387.42-1,660.84

Finding the Fourth Proportional to 4,258.60, 6,387.42 and 1,660.84

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Solution

The fourth proportional to 4,258.60, 6,387.42 and 1,660.84 is: 2,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.60 : 6,387.42 = 1,660.84 : x
  2. Step 2: Convert to fraction form
    4,258.60/6,387.42 = 1,660.84/x
  3. Step 3: Cross multiply
    4,258.60x = 6,387.42 × 1,660.84
  4. Step 4: Simplify right side
    4,258.60x = 10,608,482.63
  5. Step 5: Solve for x
    x = 10,608,482.63/4,258.60
  6. Step 6: Final answer
    x = 2,491.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.