Home / 6,216.40-9,358.63-5,672.08

Finding the Fourth Proportional to 6,216.40, 9,358.63 and 5,672.08

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Solution

The fourth proportional to 6,216.40, 9,358.63 and 5,672.08 is: 8,539.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.40 : 9,358.63 = 5,672.08 : x
  2. Step 2: Convert to fraction form
    6,216.40/9,358.63 = 5,672.08/x
  3. Step 3: Cross multiply
    6,216.40x = 9,358.63 × 5,672.08
  4. Step 4: Simplify right side
    6,216.40x = 53,082,898.05
  5. Step 5: Solve for x
    x = 53,082,898.05/6,216.40
  6. Step 6: Final answer
    x = 8,539.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.