Home / 8,677.55-11,975-4,698.66

Finding the Fourth Proportional to 8,677.55, 11,975 and 4,698.66

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Solution

The fourth proportional to 8,677.55, 11,975 and 4,698.66 is: 6,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.55 : 11,975 = 4,698.66 : x
  2. Step 2: Convert to fraction form
    8,677.55/11,975 = 4,698.66/x
  3. Step 3: Cross multiply
    8,677.55x = 11,975 × 4,698.66
  4. Step 4: Simplify right side
    8,677.55x = 56,266,453.50
  5. Step 5: Solve for x
    x = 56,266,453.50/8,677.55
  6. Step 6: Final answer
    x = 6,484.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.