Home / 6,501.38-8,969.01-4,142.66

Finding the Fourth Proportional to 6,501.38, 8,969.01 and 4,142.66

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Solution

The fourth proportional to 6,501.38, 8,969.01 and 4,142.66 is: 5,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.38 : 8,969.01 = 4,142.66 : x
  2. Step 2: Convert to fraction form
    6,501.38/8,969.01 = 4,142.66/x
  3. Step 3: Cross multiply
    6,501.38x = 8,969.01 × 4,142.66
  4. Step 4: Simplify right side
    6,501.38x = 37,155,558.97
  5. Step 5: Solve for x
    x = 37,155,558.97/6,501.38
  6. Step 6: Final answer
    x = 5,715.03

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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.