Home / 7,563.40-11,345.10-4,282.90

Finding the Fourth Proportional to 7,563.40, 11,345.10 and 4,282.90

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Solution

The fourth proportional to 7,563.40, 11,345.10 and 4,282.90 is: 6,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.40 : 11,345.10 = 4,282.90 : x
  2. Step 2: Convert to fraction form
    7,563.40/11,345.10 = 4,282.90/x
  3. Step 3: Cross multiply
    7,563.40x = 11,345.10 × 4,282.90
  4. Step 4: Simplify right side
    7,563.40x = 48,589,928.79
  5. Step 5: Solve for x
    x = 48,589,928.79/7,563.40
  6. Step 6: Final answer
    x = 6,424.35

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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.