Home / 7,177.11-9,898.47-5,059.68

Finding the Fourth Proportional to 7,177.11, 9,898.47 and 5,059.68

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Solution

The fourth proportional to 7,177.11, 9,898.47 and 5,059.68 is: 6,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.11 : 9,898.47 = 5,059.68 : x
  2. Step 2: Convert to fraction form
    7,177.11/9,898.47 = 5,059.68/x
  3. Step 3: Cross multiply
    7,177.11x = 9,898.47 × 5,059.68
  4. Step 4: Simplify right side
    7,177.11x = 50,083,090.69
  5. Step 5: Solve for x
    x = 50,083,090.69/7,177.11
  6. Step 6: Final answer
    x = 6,978.17

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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.