Home / 7,118.28-10,671.87-4,344.45

Finding the Fourth Proportional to 7,118.28, 10,671.87 and 4,344.45

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Solution

The fourth proportional to 7,118.28, 10,671.87 and 4,344.45 is: 6,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.28 : 10,671.87 = 4,344.45 : x
  2. Step 2: Convert to fraction form
    7,118.28/10,671.87 = 4,344.45/x
  3. Step 3: Cross multiply
    7,118.28x = 10,671.87 × 4,344.45
  4. Step 4: Simplify right side
    7,118.28x = 46,363,405.62
  5. Step 5: Solve for x
    x = 46,363,405.62/7,118.28
  6. Step 6: Final answer
    x = 6,513.29

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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.