Home / 6,983.59-9,639.60-4,472.47

Finding the Fourth Proportional to 6,983.59, 9,639.60 and 4,472.47

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Solution

The fourth proportional to 6,983.59, 9,639.60 and 4,472.47 is: 6,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.59 : 9,639.60 = 4,472.47 : x
  2. Step 2: Convert to fraction form
    6,983.59/9,639.60 = 4,472.47/x
  3. Step 3: Cross multiply
    6,983.59x = 9,639.60 × 4,472.47
  4. Step 4: Simplify right side
    6,983.59x = 43,112,821.81
  5. Step 5: Solve for x
    x = 43,112,821.81/6,983.59
  6. Step 6: Final answer
    x = 6,173.45

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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.