Home / 6,561.48-9,841.02-2,178.36

Finding the Fourth Proportional to 6,561.48, 9,841.02 and 2,178.36

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Solution

The fourth proportional to 6,561.48, 9,841.02 and 2,178.36 is: 3,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.48 : 9,841.02 = 2,178.36 : x
  2. Step 2: Convert to fraction form
    6,561.48/9,841.02 = 2,178.36/x
  3. Step 3: Cross multiply
    6,561.48x = 9,841.02 × 2,178.36
  4. Step 4: Simplify right side
    6,561.48x = 21,437,284.33
  5. Step 5: Solve for x
    x = 21,437,284.33/6,561.48
  6. Step 6: Final answer
    x = 3,267.14

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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.