Home / 7,119.36-10,624.10-6,255.45

Finding the Fourth Proportional to 7,119.36, 10,624.10 and 6,255.45

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Solution

The fourth proportional to 7,119.36, 10,624.10 and 6,255.45 is: 9,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.36 : 10,624.10 = 6,255.45 : x
  2. Step 2: Convert to fraction form
    7,119.36/10,624.10 = 6,255.45/x
  3. Step 3: Cross multiply
    7,119.36x = 10,624.10 × 6,255.45
  4. Step 4: Simplify right side
    7,119.36x = 66,458,495.07
  5. Step 5: Solve for x
    x = 66,458,495.07/7,119.36
  6. Step 6: Final answer
    x = 9,334.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.