Home / 6,521.90-8,997.43-4,398.80

Finding the Fourth Proportional to 6,521.90, 8,997.43 and 4,398.80

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Solution

The fourth proportional to 6,521.90, 8,997.43 and 4,398.80 is: 6,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.90 : 8,997.43 = 4,398.80 : x
  2. Step 2: Convert to fraction form
    6,521.90/8,997.43 = 4,398.80/x
  3. Step 3: Cross multiply
    6,521.90x = 8,997.43 × 4,398.80
  4. Step 4: Simplify right side
    6,521.90x = 39,577,873.09
  5. Step 5: Solve for x
    x = 39,577,873.09/6,521.90
  6. Step 6: Final answer
    x = 6,068.46

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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.