Home / 4,770.14-7,152.54-2,428.70

Finding the Fourth Proportional to 4,770.14, 7,152.54 and 2,428.70

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Solution

The fourth proportional to 4,770.14, 7,152.54 and 2,428.70 is: 3,641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.14 : 7,152.54 = 2,428.70 : x
  2. Step 2: Convert to fraction form
    4,770.14/7,152.54 = 2,428.70/x
  3. Step 3: Cross multiply
    4,770.14x = 7,152.54 × 2,428.70
  4. Step 4: Simplify right side
    4,770.14x = 17,371,373.90
  5. Step 5: Solve for x
    x = 17,371,373.90/4,770.14
  6. Step 6: Final answer
    x = 3,641.69

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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.