Home / 8,295.36-12,444.48-3,678.72

Finding the Fourth Proportional to 8,295.36, 12,444.48 and 3,678.72

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Solution

The fourth proportional to 8,295.36, 12,444.48 and 3,678.72 is: 5,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.36 : 12,444.48 = 3,678.72 : x
  2. Step 2: Convert to fraction form
    8,295.36/12,444.48 = 3,678.72/x
  3. Step 3: Cross multiply
    8,295.36x = 12,444.48 × 3,678.72
  4. Step 4: Simplify right side
    8,295.36x = 45,779,757.47
  5. Step 5: Solve for x
    x = 45,779,757.47/8,295.36
  6. Step 6: Final answer
    x = 5,518.72

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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.