Home / 9,840.91-13,579.96-5,364.66

Finding the Fourth Proportional to 9,840.91, 13,579.96 and 5,364.66

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Solution

The fourth proportional to 9,840.91, 13,579.96 and 5,364.66 is: 7,402.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.91 : 13,579.96 = 5,364.66 : x
  2. Step 2: Convert to fraction form
    9,840.91/13,579.96 = 5,364.66/x
  3. Step 3: Cross multiply
    9,840.91x = 13,579.96 × 5,364.66
  4. Step 4: Simplify right side
    9,840.91x = 72,851,868.21
  5. Step 5: Solve for x
    x = 72,851,868.21/9,840.91
  6. Step 6: Final answer
    x = 7,402.96

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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.