Home / 6,569.55-9,855.80-2,187.18

Finding the Fourth Proportional to 6,569.55, 9,855.80 and 2,187.18

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Solution

The fourth proportional to 6,569.55, 9,855.80 and 2,187.18 is: 3,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,569.55 : 9,855.80 = 2,187.18 : x
  2. Step 2: Convert to fraction form
    6,569.55/9,855.80 = 2,187.18/x
  3. Step 3: Cross multiply
    6,569.55x = 9,855.80 × 2,187.18
  4. Step 4: Simplify right side
    6,569.55x = 21,556,381.25
  5. Step 5: Solve for x
    x = 21,556,381.25/6,569.55
  6. Step 6: Final answer
    x = 3,281.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.