Home / 5,676.48-8,490.24-4,374.72

Finding the Fourth Proportional to 5,676.48, 8,490.24 and 4,374.72

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Solution

The fourth proportional to 5,676.48, 8,490.24 and 4,374.72 is: 6,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.48 : 8,490.24 = 4,374.72 : x
  2. Step 2: Convert to fraction form
    5,676.48/8,490.24 = 4,374.72/x
  3. Step 3: Cross multiply
    5,676.48x = 8,490.24 × 4,374.72
  4. Step 4: Simplify right side
    5,676.48x = 37,142,422.73
  5. Step 5: Solve for x
    x = 37,142,422.73/5,676.48
  6. Step 6: Final answer
    x = 6,543.21

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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.