Home / 6,521.42-8,999.55-3,537.25

Finding the Fourth Proportional to 6,521.42, 8,999.55 and 3,537.25

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Solution

The fourth proportional to 6,521.42, 8,999.55 and 3,537.25 is: 4,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.42 : 8,999.55 = 3,537.25 : x
  2. Step 2: Convert to fraction form
    6,521.42/8,999.55 = 3,537.25/x
  3. Step 3: Cross multiply
    6,521.42x = 8,999.55 × 3,537.25
  4. Step 4: Simplify right side
    6,521.42x = 31,833,635.74
  5. Step 5: Solve for x
    x = 31,833,635.74/6,521.42
  6. Step 6: Final answer
    x = 4,881.39

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Half scale
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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.