Home / 8,484.38-12,733.40-4,790.18

Finding the Fourth Proportional to 8,484.38, 12,733.40 and 4,790.18

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Solution

The fourth proportional to 8,484.38, 12,733.40 and 4,790.18 is: 7,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.38 : 12,733.40 = 4,790.18 : x
  2. Step 2: Convert to fraction form
    8,484.38/12,733.40 = 4,790.18/x
  3. Step 3: Cross multiply
    8,484.38x = 12,733.40 × 4,790.18
  4. Step 4: Simplify right side
    8,484.38x = 60,995,278.01
  5. Step 5: Solve for x
    x = 60,995,278.01/8,484.38
  6. Step 6: Final answer
    x = 7,189.13

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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.