Home / 6,457.34-9,686.55-2,074.88

Finding the Fourth Proportional to 6,457.34, 9,686.55 and 2,074.88

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Solution

The fourth proportional to 6,457.34, 9,686.55 and 2,074.88 is: 3,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.34 : 9,686.55 = 2,074.88 : x
  2. Step 2: Convert to fraction form
    6,457.34/9,686.55 = 2,074.88/x
  3. Step 3: Cross multiply
    6,457.34x = 9,686.55 × 2,074.88
  4. Step 4: Simplify right side
    6,457.34x = 20,098,428.86
  5. Step 5: Solve for x
    x = 20,098,428.86/6,457.34
  6. Step 6: Final answer
    x = 3,112.49

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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.