Home / 7,341.36-11,018.16-6,880.08

Finding the Fourth Proportional to 7,341.36, 11,018.16 and 6,880.08

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Solution

The fourth proportional to 7,341.36, 11,018.16 and 6,880.08 is: 10,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.36 : 11,018.16 = 6,880.08 : x
  2. Step 2: Convert to fraction form
    7,341.36/11,018.16 = 6,880.08/x
  3. Step 3: Cross multiply
    7,341.36x = 11,018.16 × 6,880.08
  4. Step 4: Simplify right side
    7,341.36x = 75,805,822.25
  5. Step 5: Solve for x
    x = 75,805,822.25/7,341.36
  6. Step 6: Final answer
    x = 10,325.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.