Home / 9,798.19-13,521.50-5,321.95

Finding the Fourth Proportional to 9,798.19, 13,521.50 and 5,321.95

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Solution

The fourth proportional to 9,798.19, 13,521.50 and 5,321.95 is: 7,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.19 : 13,521.50 = 5,321.95 : x
  2. Step 2: Convert to fraction form
    9,798.19/13,521.50 = 5,321.95/x
  3. Step 3: Cross multiply
    9,798.19x = 13,521.50 × 5,321.95
  4. Step 4: Simplify right side
    9,798.19x = 71,960,746.93
  5. Step 5: Solve for x
    x = 71,960,746.93/9,798.19
  6. Step 6: Final answer
    x = 7,344.29

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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.