Home / 8,490.24-11,709.32-5,465.82

Finding the Fourth Proportional to 8,490.24, 11,709.32 and 5,465.82

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Solution

The fourth proportional to 8,490.24, 11,709.32 and 5,465.82 is: 7,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490.24 : 11,709.32 = 5,465.82 : x
  2. Step 2: Convert to fraction form
    8,490.24/11,709.32 = 5,465.82/x
  3. Step 3: Cross multiply
    8,490.24x = 11,709.32 × 5,465.82
  4. Step 4: Simplify right side
    8,490.24x = 64,001,035.44
  5. Step 5: Solve for x
    x = 64,001,035.44/8,490.24
  6. Step 6: Final answer
    x = 7,538.19

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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.