Home / 6,538.14-9,021.65-4,020.66

Finding the Fourth Proportional to 6,538.14, 9,021.65 and 4,020.66

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Solution

The fourth proportional to 6,538.14, 9,021.65 and 4,020.66 is: 5,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538.14 : 9,021.65 = 4,020.66 : x
  2. Step 2: Convert to fraction form
    6,538.14/9,021.65 = 4,020.66/x
  3. Step 3: Cross multiply
    6,538.14x = 9,021.65 × 4,020.66
  4. Step 4: Simplify right side
    6,538.14x = 36,272,967.19
  5. Step 5: Solve for x
    x = 36,272,967.19/6,538.14
  6. Step 6: Final answer
    x = 5,547.90

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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.