Home / 8,360.60-12,543.66-2,814.48

Finding the Fourth Proportional to 8,360.60, 12,543.66 and 2,814.48

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Solution

The fourth proportional to 8,360.60, 12,543.66 and 2,814.48 is: 4,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.60 : 12,543.66 = 2,814.48 : x
  2. Step 2: Convert to fraction form
    8,360.60/12,543.66 = 2,814.48/x
  3. Step 3: Cross multiply
    8,360.60x = 12,543.66 × 2,814.48
  4. Step 4: Simplify right side
    8,360.60x = 35,303,880.20
  5. Step 5: Solve for x
    x = 35,303,880.20/8,360.60
  6. Step 6: Final answer
    x = 4,222.65

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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.