Home / 6,505.56-8,977.60-3,521.33

Finding the Fourth Proportional to 6,505.56, 8,977.60 and 3,521.33

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Solution

The fourth proportional to 6,505.56, 8,977.60 and 3,521.33 is: 4,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.56 : 8,977.60 = 3,521.33 : x
  2. Step 2: Convert to fraction form
    6,505.56/8,977.60 = 3,521.33/x
  3. Step 3: Cross multiply
    6,505.56x = 8,977.60 × 3,521.33
  4. Step 4: Simplify right side
    6,505.56x = 31,613,038.52
  5. Step 5: Solve for x
    x = 31,613,038.52/6,505.56
  6. Step 6: Final answer
    x = 4,859.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.