Home / 8,864.64-13,288.32-4,484.16

Finding the Fourth Proportional to 8,864.64, 13,288.32 and 4,484.16

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Solution

The fourth proportional to 8,864.64, 13,288.32 and 4,484.16 is: 6,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.64 : 13,288.32 = 4,484.16 : x
  2. Step 2: Convert to fraction form
    8,864.64/13,288.32 = 4,484.16/x
  3. Step 3: Cross multiply
    8,864.64x = 13,288.32 × 4,484.16
  4. Step 4: Simplify right side
    8,864.64x = 59,586,953.01
  5. Step 5: Solve for x
    x = 59,586,953.01/8,864.64
  6. Step 6: Final answer
    x = 6,721.87

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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.