Home / 7,155.14-10,730.96-5,591.26

Finding the Fourth Proportional to 7,155.14, 10,730.96 and 5,591.26

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Solution

The fourth proportional to 7,155.14, 10,730.96 and 5,591.26 is: 8,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.14 : 10,730.96 = 5,591.26 : x
  2. Step 2: Convert to fraction form
    7,155.14/10,730.96 = 5,591.26/x
  3. Step 3: Cross multiply
    7,155.14x = 10,730.96 × 5,591.26
  4. Step 4: Simplify right side
    7,155.14x = 59,999,578.11
  5. Step 5: Solve for x
    x = 59,999,578.11/7,155.14
  6. Step 6: Final answer
    x = 8,385.52

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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.