Home / 8,635.83-12,953.75-5,713.45

Finding the Fourth Proportional to 8,635.83, 12,953.75 and 5,713.45

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Solution

The fourth proportional to 8,635.83, 12,953.75 and 5,713.45 is: 8,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.83 : 12,953.75 = 5,713.45 : x
  2. Step 2: Convert to fraction form
    8,635.83/12,953.75 = 5,713.45/x
  3. Step 3: Cross multiply
    8,635.83x = 12,953.75 × 5,713.45
  4. Step 4: Simplify right side
    8,635.83x = 74,010,602.94
  5. Step 5: Solve for x
    x = 74,010,602.94/8,635.83
  6. Step 6: Final answer
    x = 8,570.18

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Similar ratio
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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.