Home / 7,325.49-10,988.08-1,778.86

Finding the Fourth Proportional to 7,325.49, 10,988.08 and 1,778.86

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Solution

The fourth proportional to 7,325.49, 10,988.08 and 1,778.86 is: 2,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.49 : 10,988.08 = 1,778.86 : x
  2. Step 2: Convert to fraction form
    7,325.49/10,988.08 = 1,778.86/x
  3. Step 3: Cross multiply
    7,325.49x = 10,988.08 × 1,778.86
  4. Step 4: Simplify right side
    7,325.49x = 19,546,270.28
  5. Step 5: Solve for x
    x = 19,546,270.28/7,325.49
  6. Step 6: Final answer
    x = 2,668.25

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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.