Home / 6,677.86-9,217.37-4,688.90

Finding the Fourth Proportional to 6,677.86, 9,217.37 and 4,688.90

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Solution

The fourth proportional to 6,677.86, 9,217.37 and 4,688.90 is: 6,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677.86 : 9,217.37 = 4,688.90 : x
  2. Step 2: Convert to fraction form
    6,677.86/9,217.37 = 4,688.90/x
  3. Step 3: Cross multiply
    6,677.86x = 9,217.37 × 4,688.90
  4. Step 4: Simplify right side
    6,677.86x = 43,219,326.19
  5. Step 5: Solve for x
    x = 43,219,326.19/6,677.86
  6. Step 6: Final answer
    x = 6,472.03

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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.