Home / 6,005.81-8,283.45-5,167.91

Finding the Fourth Proportional to 6,005.81, 8,283.45 and 5,167.91

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Solution

The fourth proportional to 6,005.81, 8,283.45 and 5,167.91 is: 7,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005.81 : 8,283.45 = 5,167.91 : x
  2. Step 2: Convert to fraction form
    6,005.81/8,283.45 = 5,167.91/x
  3. Step 3: Cross multiply
    6,005.81x = 8,283.45 × 5,167.91
  4. Step 4: Simplify right side
    6,005.81x = 42,808,144.80
  5. Step 5: Solve for x
    x = 42,808,144.80/6,005.81
  6. Step 6: Final answer
    x = 7,127.79

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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.