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Finding the Fourth Proportional to 5,663.98, 8,484.63 and 4,425.58

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Solution

The fourth proportional to 5,663.98, 8,484.63 and 4,425.58 is: 6,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.98 : 8,484.63 = 4,425.58 : x
  2. Step 2: Convert to fraction form
    5,663.98/8,484.63 = 4,425.58/x
  3. Step 3: Cross multiply
    5,663.98x = 8,484.63 × 4,425.58
  4. Step 4: Simplify right side
    5,663.98x = 37,549,408.84
  5. Step 5: Solve for x
    x = 37,549,408.84/5,663.98
  6. Step 6: Final answer
    x = 6,629.51

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1.5x scale

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.