Home / 8,606.45-11,877.01-4,830.43

Finding the Fourth Proportional to 8,606.45, 11,877.01 and 4,830.43

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Solution

The fourth proportional to 8,606.45, 11,877.01 and 4,830.43 is: 6,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.45 : 11,877.01 = 4,830.43 : x
  2. Step 2: Convert to fraction form
    8,606.45/11,877.01 = 4,830.43/x
  3. Step 3: Cross multiply
    8,606.45x = 11,877.01 × 4,830.43
  4. Step 4: Simplify right side
    8,606.45x = 57,371,023.65
  5. Step 5: Solve for x
    x = 57,371,023.65/8,606.45
  6. Step 6: Final answer
    x = 6,666.05

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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.