Home / 6,457.05-8,911.55-3,804.71

Finding the Fourth Proportional to 6,457.05, 8,911.55 and 3,804.71

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Solution

The fourth proportional to 6,457.05, 8,911.55 and 3,804.71 is: 5,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.05 : 8,911.55 = 3,804.71 : x
  2. Step 2: Convert to fraction form
    6,457.05/8,911.55 = 3,804.71/x
  3. Step 3: Cross multiply
    6,457.05x = 8,911.55 × 3,804.71
  4. Step 4: Simplify right side
    6,457.05x = 33,905,828.35
  5. Step 5: Solve for x
    x = 33,905,828.35/6,457.05
  6. Step 6: Final answer
    x = 5,250.98

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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.