Home / 8,484.21-12,715.85-6,152.22

Finding the Fourth Proportional to 8,484.21, 12,715.85 and 6,152.22

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Solution

The fourth proportional to 8,484.21, 12,715.85 and 6,152.22 is: 9,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.21 : 12,715.85 = 6,152.22 : x
  2. Step 2: Convert to fraction form
    8,484.21/12,715.85 = 6,152.22/x
  3. Step 3: Cross multiply
    8,484.21x = 12,715.85 × 6,152.22
  4. Step 4: Simplify right side
    8,484.21x = 78,230,706.69
  5. Step 5: Solve for x
    x = 78,230,706.69/8,484.21
  6. Step 6: Final answer
    x = 9,220.74

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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.