Home / 6,450.48-8,901.36-3,655.44

Finding the Fourth Proportional to 6,450.48, 8,901.36 and 3,655.44

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Solution

The fourth proportional to 6,450.48, 8,901.36 and 3,655.44 is: 5,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.48 : 8,901.36 = 3,655.44 : x
  2. Step 2: Convert to fraction form
    6,450.48/8,901.36 = 3,655.44/x
  3. Step 3: Cross multiply
    6,450.48x = 8,901.36 × 3,655.44
  4. Step 4: Simplify right side
    6,450.48x = 32,538,387.40
  5. Step 5: Solve for x
    x = 32,538,387.40/6,450.48
  6. Step 6: Final answer
    x = 5,044.34

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Find fourth proportional to 3,225.24, 4,450.68 and 1,827.72
Half scale
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Double 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.