Home / 9,117.79-13,666.79-4,669.35

Finding the Fourth Proportional to 9,117.79, 13,666.79 and 4,669.35

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Solution

The fourth proportional to 9,117.79, 13,666.79 and 4,669.35 is: 6,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.79 : 13,666.79 = 4,669.35 : x
  2. Step 2: Convert to fraction form
    9,117.79/13,666.79 = 4,669.35/x
  3. Step 3: Cross multiply
    9,117.79x = 13,666.79 × 4,669.35
  4. Step 4: Simplify right side
    9,117.79x = 63,815,037.56
  5. Step 5: Solve for x
    x = 63,815,037.56/9,117.79
  6. Step 6: Final answer
    x = 6,998.96

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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.