Home / 5,437.45-8,155.32-4,518.91

Finding the Fourth Proportional to 5,437.45, 8,155.32 and 4,518.91

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Solution

The fourth proportional to 5,437.45, 8,155.32 and 4,518.91 is: 6,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.45 : 8,155.32 = 4,518.91 : x
  2. Step 2: Convert to fraction form
    5,437.45/8,155.32 = 4,518.91/x
  3. Step 3: Cross multiply
    5,437.45x = 8,155.32 × 4,518.91
  4. Step 4: Simplify right side
    5,437.45x = 36,853,157.10
  5. Step 5: Solve for x
    x = 36,853,157.10/5,437.45
  6. Step 6: Final answer
    x = 6,777.65

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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.