Home / 7,104.40-10,642.20-4,022.80

Finding the Fourth Proportional to 7,104.40, 10,642.20 and 4,022.80

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Solution

The fourth proportional to 7,104.40, 10,642.20 and 4,022.80 is: 6,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.40 : 10,642.20 = 4,022.80 : x
  2. Step 2: Convert to fraction form
    7,104.40/10,642.20 = 4,022.80/x
  3. Step 3: Cross multiply
    7,104.40x = 10,642.20 × 4,022.80
  4. Step 4: Simplify right side
    7,104.40x = 42,811,442.16
  5. Step 5: Solve for x
    x = 42,811,442.16/7,104.40
  6. Step 6: Final answer
    x = 6,026.05

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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.