Home / 5,328.54-7,353.64-2,970.70

Finding the Fourth Proportional to 5,328.54, 7,353.64 and 2,970.70

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Solution

The fourth proportional to 5,328.54, 7,353.64 and 2,970.70 is: 4,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.54 : 7,353.64 = 2,970.70 : x
  2. Step 2: Convert to fraction form
    5,328.54/7,353.64 = 2,970.70/x
  3. Step 3: Cross multiply
    5,328.54x = 7,353.64 × 2,970.70
  4. Step 4: Simplify right side
    5,328.54x = 21,845,458.35
  5. Step 5: Solve for x
    x = 21,845,458.35/5,328.54
  6. Step 6: Final answer
    x = 4,099.71

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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.