Home / 5,319.36-7,341.05-2,961.50

Finding the Fourth Proportional to 5,319.36, 7,341.05 and 2,961.50

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Solution

The fourth proportional to 5,319.36, 7,341.05 and 2,961.50 is: 4,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.36 : 7,341.05 = 2,961.50 : x
  2. Step 2: Convert to fraction form
    5,319.36/7,341.05 = 2,961.50/x
  3. Step 3: Cross multiply
    5,319.36x = 7,341.05 × 2,961.50
  4. Step 4: Simplify right side
    5,319.36x = 21,740,490.27
  5. Step 5: Solve for x
    x = 21,740,490.27/5,319.36
  6. Step 6: Final answer
    x = 4,087.05

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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.