Home / 7,549.70-10,418.57-4,405.88

Finding the Fourth Proportional to 7,549.70, 10,418.57 and 4,405.88

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Solution

The fourth proportional to 7,549.70, 10,418.57 and 4,405.88 is: 6,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.70 : 10,418.57 = 4,405.88 : x
  2. Step 2: Convert to fraction form
    7,549.70/10,418.57 = 4,405.88/x
  3. Step 3: Cross multiply
    7,549.70x = 10,418.57 × 4,405.88
  4. Step 4: Simplify right side
    7,549.70x = 45,902,895.07
  5. Step 5: Solve for x
    x = 45,902,895.07/7,549.70
  6. Step 6: Final answer
    x = 6,080.10

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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.