Home / 5,555.10-7,666.08-3,197.18

Finding the Fourth Proportional to 5,555.10, 7,666.08 and 3,197.18

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Solution

The fourth proportional to 5,555.10, 7,666.08 and 3,197.18 is: 4,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.10 : 7,666.08 = 3,197.18 : x
  2. Step 2: Convert to fraction form
    5,555.10/7,666.08 = 3,197.18/x
  3. Step 3: Cross multiply
    5,555.10x = 7,666.08 × 3,197.18
  4. Step 4: Simplify right side
    5,555.10x = 24,509,837.65
  5. Step 5: Solve for x
    x = 24,509,837.65/5,555.10
  6. Step 6: Final answer
    x = 4,412.13

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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.