Home / 4,538.31-6,807.90-1,765.20

Finding the Fourth Proportional to 4,538.31, 6,807.90 and 1,765.20

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Solution

The fourth proportional to 4,538.31, 6,807.90 and 1,765.20 is: 2,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.31 : 6,807.90 = 1,765.20 : x
  2. Step 2: Convert to fraction form
    4,538.31/6,807.90 = 1,765.20/x
  3. Step 3: Cross multiply
    4,538.31x = 6,807.90 × 1,765.20
  4. Step 4: Simplify right side
    4,538.31x = 12,017,305.08
  5. Step 5: Solve for x
    x = 12,017,305.08/4,538.31
  6. Step 6: Final answer
    x = 2,647.97

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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.