Home / 7,428.54-11,135.33-4,657.16

Finding the Fourth Proportional to 7,428.54, 11,135.33 and 4,657.16

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Solution

The fourth proportional to 7,428.54, 11,135.33 and 4,657.16 is: 6,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.54 : 11,135.33 = 4,657.16 : x
  2. Step 2: Convert to fraction form
    7,428.54/11,135.33 = 4,657.16/x
  3. Step 3: Cross multiply
    7,428.54x = 11,135.33 × 4,657.16
  4. Step 4: Simplify right side
    7,428.54x = 51,859,035.48
  5. Step 5: Solve for x
    x = 51,859,035.48/7,428.54
  6. Step 6: Final answer
    x = 6,981.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.