Home / 5,310.54-7,328.45-2,920.41

Finding the Fourth Proportional to 5,310.54, 7,328.45 and 2,920.41

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Solution

The fourth proportional to 5,310.54, 7,328.45 and 2,920.41 is: 4,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.54 : 7,328.45 = 2,920.41 : x
  2. Step 2: Convert to fraction form
    5,310.54/7,328.45 = 2,920.41/x
  3. Step 3: Cross multiply
    5,310.54x = 7,328.45 × 2,920.41
  4. Step 4: Simplify right side
    5,310.54x = 21,402,064.06
  5. Step 5: Solve for x
    x = 21,402,064.06/5,310.54
  6. Step 6: Final answer
    x = 4,030.11

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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.