Home / 8,275.50-11,421.54-4,918.86

Finding the Fourth Proportional to 8,275.50, 11,421.54 and 4,918.86

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Solution

The fourth proportional to 8,275.50, 11,421.54 and 4,918.86 is: 6,788.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.50 : 11,421.54 = 4,918.86 : x
  2. Step 2: Convert to fraction form
    8,275.50/11,421.54 = 4,918.86/x
  3. Step 3: Cross multiply
    8,275.50x = 11,421.54 × 4,918.86
  4. Step 4: Simplify right side
    8,275.50x = 56,180,956.24
  5. Step 5: Solve for x
    x = 56,180,956.24/8,275.50
  6. Step 6: Final answer
    x = 6,788.83

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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.