Home / 5,348.56-7,381.04-2,990.70

Finding the Fourth Proportional to 5,348.56, 7,381.04 and 2,990.70

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Solution

The fourth proportional to 5,348.56, 7,381.04 and 2,990.70 is: 4,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.56 : 7,381.04 = 2,990.70 : x
  2. Step 2: Convert to fraction form
    5,348.56/7,381.04 = 2,990.70/x
  3. Step 3: Cross multiply
    5,348.56x = 7,381.04 × 2,990.70
  4. Step 4: Simplify right side
    5,348.56x = 22,074,461.37
  5. Step 5: Solve for x
    x = 22,074,461.37/5,348.56
  6. Step 6: Final answer
    x = 4,127.18

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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.