Home / 6,501.76-9,753.65-2,118.20

Finding the Fourth Proportional to 6,501.76, 9,753.65 and 2,118.20

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Solution

The fourth proportional to 6,501.76, 9,753.65 and 2,118.20 is: 3,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.76 : 9,753.65 = 2,118.20 : x
  2. Step 2: Convert to fraction form
    6,501.76/9,753.65 = 2,118.20/x
  3. Step 3: Cross multiply
    6,501.76x = 9,753.65 × 2,118.20
  4. Step 4: Simplify right side
    6,501.76x = 20,660,130.01
  5. Step 5: Solve for x
    x = 20,660,130.01/6,501.76
  6. Step 6: Final answer
    x = 3,177.62

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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.