Home / 6,455.23-9,674.34-2,557.51

Finding the Fourth Proportional to 6,455.23, 9,674.34 and 2,557.51

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Solution

The fourth proportional to 6,455.23, 9,674.34 and 2,557.51 is: 3,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.23 : 9,674.34 = 2,557.51 : x
  2. Step 2: Convert to fraction form
    6,455.23/9,674.34 = 2,557.51/x
  3. Step 3: Cross multiply
    6,455.23x = 9,674.34 × 2,557.51
  4. Step 4: Simplify right side
    6,455.23x = 24,742,221.29
  5. Step 5: Solve for x
    x = 24,742,221.29/6,455.23
  6. Step 6: Final answer
    x = 3,832.90

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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.