Home / 4,853.60-7,278.60-1,931.30

Finding the Fourth Proportional to 4,853.60, 7,278.60 and 1,931.30

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Solution

The fourth proportional to 4,853.60, 7,278.60 and 1,931.30 is: 2,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.60 : 7,278.60 = 1,931.30 : x
  2. Step 2: Convert to fraction form
    4,853.60/7,278.60 = 1,931.30/x
  3. Step 3: Cross multiply
    4,853.60x = 7,278.60 × 1,931.30
  4. Step 4: Simplify right side
    4,853.60x = 14,057,160.18
  5. Step 5: Solve for x
    x = 14,057,160.18/4,853.60
  6. Step 6: Final answer
    x = 2,896.23

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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.