Home / 7,325.36-10,988.01-1,778.70

Finding the Fourth Proportional to 7,325.36, 10,988.01 and 1,778.70

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Solution

The fourth proportional to 7,325.36, 10,988.01 and 1,778.70 is: 2,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.36 : 10,988.01 = 1,778.70 : x
  2. Step 2: Convert to fraction form
    7,325.36/10,988.01 = 1,778.70/x
  3. Step 3: Cross multiply
    7,325.36x = 10,988.01 × 1,778.70
  4. Step 4: Simplify right side
    7,325.36x = 19,544,388.82
  5. Step 5: Solve for x
    x = 19,544,388.82/7,325.36
  6. Step 6: Final answer
    x = 2,668.05

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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.