Home / 6,457.13-8,911.74-3,769.23

Finding the Fourth Proportional to 6,457.13, 8,911.74 and 3,769.23

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Solution

The fourth proportional to 6,457.13, 8,911.74 and 3,769.23 is: 5,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.13 : 8,911.74 = 3,769.23 : x
  2. Step 2: Convert to fraction form
    6,457.13/8,911.74 = 3,769.23/x
  3. Step 3: Cross multiply
    6,457.13x = 8,911.74 × 3,769.23
  4. Step 4: Simplify right side
    6,457.13x = 33,590,397.76
  5. Step 5: Solve for x
    x = 33,590,397.76/6,457.13
  6. Step 6: Final answer
    x = 5,202.07

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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.