Home / 9,840.22-13,579.47-5,363.92

Finding the Fourth Proportional to 9,840.22, 13,579.47 and 5,363.92

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Solution

The fourth proportional to 9,840.22, 13,579.47 and 5,363.92 is: 7,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.22 : 13,579.47 = 5,363.92 : x
  2. Step 2: Convert to fraction form
    9,840.22/13,579.47 = 5,363.92/x
  3. Step 3: Cross multiply
    9,840.22x = 13,579.47 × 5,363.92
  4. Step 4: Simplify right side
    9,840.22x = 72,839,190.72
  5. Step 5: Solve for x
    x = 72,839,190.72/9,840.22
  6. Step 6: Final answer
    x = 7,402.19

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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.