Home / 7,555.10-10,418.88-6,297.70

Finding the Fourth Proportional to 7,555.10, 10,418.88 and 6,297.70

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Solution

The fourth proportional to 7,555.10, 10,418.88 and 6,297.70 is: 8,684.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.10 : 10,418.88 = 6,297.70 : x
  2. Step 2: Convert to fraction form
    7,555.10/10,418.88 = 6,297.70/x
  3. Step 3: Cross multiply
    7,555.10x = 10,418.88 × 6,297.70
  4. Step 4: Simplify right side
    7,555.10x = 65,614,980.58
  5. Step 5: Solve for x
    x = 65,614,980.58/7,555.10
  6. Step 6: Final answer
    x = 8,684.86

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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.