Home / 8,817.66-13,235.79-4,656.63

Finding the Fourth Proportional to 8,817.66, 13,235.79 and 4,656.63

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Solution

The fourth proportional to 8,817.66, 13,235.79 and 4,656.63 is: 6,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.66 : 13,235.79 = 4,656.63 : x
  2. Step 2: Convert to fraction form
    8,817.66/13,235.79 = 4,656.63/x
  3. Step 3: Cross multiply
    8,817.66x = 13,235.79 × 4,656.63
  4. Step 4: Simplify right side
    8,817.66x = 61,634,176.79
  5. Step 5: Solve for x
    x = 61,634,176.79/8,817.66
  6. Step 6: Final answer
    x = 6,989.86

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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.