Home / 5,297.47-7,310.76-2,939.63

Finding the Fourth Proportional to 5,297.47, 7,310.76 and 2,939.63

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Solution

The fourth proportional to 5,297.47, 7,310.76 and 2,939.63 is: 4,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.47 : 7,310.76 = 2,939.63 : x
  2. Step 2: Convert to fraction form
    5,297.47/7,310.76 = 2,939.63/x
  3. Step 3: Cross multiply
    5,297.47x = 7,310.76 × 2,939.63
  4. Step 4: Simplify right side
    5,297.47x = 21,490,881.84
  5. Step 5: Solve for x
    x = 21,490,881.84/5,297.47
  6. Step 6: Final answer
    x = 4,056.82

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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.