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Finding the Fourth Proportional to 7,392.03, 10,201.19 and 4,521.18

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Solution

The fourth proportional to 7,392.03, 10,201.19 and 4,521.18 is: 6,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.03 : 10,201.19 = 4,521.18 : x
  2. Step 2: Convert to fraction form
    7,392.03/10,201.19 = 4,521.18/x
  3. Step 3: Cross multiply
    7,392.03x = 10,201.19 × 4,521.18
  4. Step 4: Simplify right side
    7,392.03x = 46,121,457.28
  5. Step 5: Solve for x
    x = 46,121,457.28/7,392.03
  6. Step 6: Final answer
    x = 6,239.35

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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.