Home / 7,563.12-11,344.81-2,885.30

Finding the Fourth Proportional to 7,563.12, 11,344.81 and 2,885.30

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Solution

The fourth proportional to 7,563.12, 11,344.81 and 2,885.30 is: 4,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.12 : 11,344.81 = 2,885.30 : x
  2. Step 2: Convert to fraction form
    7,563.12/11,344.81 = 2,885.30/x
  3. Step 3: Cross multiply
    7,563.12x = 11,344.81 × 2,885.30
  4. Step 4: Simplify right side
    7,563.12x = 32,733,180.29
  5. Step 5: Solve for x
    x = 32,733,180.29/7,563.12
  6. Step 6: Final answer
    x = 4,328.00

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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.