Home / 5,348.67-7,381.40-2,990.82

Finding the Fourth Proportional to 5,348.67, 7,381.40 and 2,990.82

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Solution

The fourth proportional to 5,348.67, 7,381.40 and 2,990.82 is: 4,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.67 : 7,381.40 = 2,990.82 : x
  2. Step 2: Convert to fraction form
    5,348.67/7,381.40 = 2,990.82/x
  3. Step 3: Cross multiply
    5,348.67x = 7,381.40 × 2,990.82
  4. Step 4: Simplify right side
    5,348.67x = 22,076,423.79
  5. Step 5: Solve for x
    x = 22,076,423.79/5,348.67
  6. Step 6: Final answer
    x = 4,127.46

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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.