Home / 5,155.08-7,735.50-2,077.32

Finding the Fourth Proportional to 5,155.08, 7,735.50 and 2,077.32

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Solution

The fourth proportional to 5,155.08, 7,735.50 and 2,077.32 is: 3,117.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.08 : 7,735.50 = 2,077.32 : x
  2. Step 2: Convert to fraction form
    5,155.08/7,735.50 = 2,077.32/x
  3. Step 3: Cross multiply
    5,155.08x = 7,735.50 × 2,077.32
  4. Step 4: Simplify right side
    5,155.08x = 16,069,108.86
  5. Step 5: Solve for x
    x = 16,069,108.86/5,155.08
  6. Step 6: Final answer
    x = 3,117.14

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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.