Home / 7,045.50-10,563.39-4,272.90

Finding the Fourth Proportional to 7,045.50, 10,563.39 and 4,272.90

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Solution

The fourth proportional to 7,045.50, 10,563.39 and 4,272.90 is: 6,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.50 : 10,563.39 = 4,272.90 : x
  2. Step 2: Convert to fraction form
    7,045.50/10,563.39 = 4,272.90/x
  3. Step 3: Cross multiply
    7,045.50x = 10,563.39 × 4,272.90
  4. Step 4: Simplify right side
    7,045.50x = 45,136,309.13
  5. Step 5: Solve for x
    x = 45,136,309.13/7,045.50
  6. Step 6: Final answer
    x = 6,406.40

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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.