Home / 4,374.90-6,560.82-1,563.80

Finding the Fourth Proportional to 4,374.90, 6,560.82 and 1,563.80

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Solution

The fourth proportional to 4,374.90, 6,560.82 and 1,563.80 is: 2,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374.90 : 6,560.82 = 1,563.80 : x
  2. Step 2: Convert to fraction form
    4,374.90/6,560.82 = 1,563.80/x
  3. Step 3: Cross multiply
    4,374.90x = 6,560.82 × 1,563.80
  4. Step 4: Simplify right side
    4,374.90x = 10,259,777.51
  5. Step 5: Solve for x
    x = 10,259,777.51/4,374.90
  6. Step 6: Final answer
    x = 2,345.15

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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.