Home / 8,007.54-11,055.87-5,217.90

Finding the Fourth Proportional to 8,007.54, 11,055.87 and 5,217.90

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Solution

The fourth proportional to 8,007.54, 11,055.87 and 5,217.90 is: 7,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.54 : 11,055.87 = 5,217.90 : x
  2. Step 2: Convert to fraction form
    8,007.54/11,055.87 = 5,217.90/x
  3. Step 3: Cross multiply
    8,007.54x = 11,055.87 × 5,217.90
  4. Step 4: Simplify right side
    8,007.54x = 57,688,424.07
  5. Step 5: Solve for x
    x = 57,688,424.07/8,007.54
  6. Step 6: Final answer
    x = 7,204.26

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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.