Home / 7,176.09-9,903.81-4,345.02

Finding the Fourth Proportional to 7,176.09, 9,903.81 and 4,345.02

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Solution

The fourth proportional to 7,176.09, 9,903.81 and 4,345.02 is: 5,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.09 : 9,903.81 = 4,345.02 : x
  2. Step 2: Convert to fraction form
    7,176.09/9,903.81 = 4,345.02/x
  3. Step 3: Cross multiply
    7,176.09x = 9,903.81 × 4,345.02
  4. Step 4: Simplify right side
    7,176.09x = 43,032,252.53
  5. Step 5: Solve for x
    x = 43,032,252.53/7,176.09
  6. Step 6: Final answer
    x = 5,996.62

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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.