Home / 6,628.60-9,147.94-4,386.56

Finding the Fourth Proportional to 6,628.60, 9,147.94 and 4,386.56

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Solution

The fourth proportional to 6,628.60, 9,147.94 and 4,386.56 is: 6,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.60 : 9,147.94 = 4,386.56 : x
  2. Step 2: Convert to fraction form
    6,628.60/9,147.94 = 4,386.56/x
  3. Step 3: Cross multiply
    6,628.60x = 9,147.94 × 4,386.56
  4. Step 4: Simplify right side
    6,628.60x = 40,127,987.69
  5. Step 5: Solve for x
    x = 40,127,987.69/6,628.60
  6. Step 6: Final answer
    x = 6,053.77

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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.