Home / 4,478.70-6,720.35-1,848.23

Finding the Fourth Proportional to 4,478.70, 6,720.35 and 1,848.23

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Solution

The fourth proportional to 4,478.70, 6,720.35 and 1,848.23 is: 2,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.70 : 6,720.35 = 1,848.23 : x
  2. Step 2: Convert to fraction form
    4,478.70/6,720.35 = 1,848.23/x
  3. Step 3: Cross multiply
    4,478.70x = 6,720.35 × 1,848.23
  4. Step 4: Simplify right side
    4,478.70x = 12,420,752.48
  5. Step 5: Solve for x
    x = 12,420,752.48/4,478.70
  6. Step 6: Final answer
    x = 2,773.29

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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.