Home / 9,780.16-13,498.92-5,802.28

Finding the Fourth Proportional to 9,780.16, 13,498.92 and 5,802.28

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Solution

The fourth proportional to 9,780.16, 13,498.92 and 5,802.28 is: 8,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.16 : 13,498.92 = 5,802.28 : x
  2. Step 2: Convert to fraction form
    9,780.16/13,498.92 = 5,802.28/x
  3. Step 3: Cross multiply
    9,780.16x = 13,498.92 × 5,802.28
  4. Step 4: Simplify right side
    9,780.16x = 78,324,513.54
  5. Step 5: Solve for x
    x = 78,324,513.54/9,780.16
  6. Step 6: Final answer
    x = 8,008.51

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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.