Home / 8,924.64-12,313.72-5,569.08

Finding the Fourth Proportional to 8,924.64, 12,313.72 and 5,569.08

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Solution

The fourth proportional to 8,924.64, 12,313.72 and 5,569.08 is: 7,683.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.64 : 12,313.72 = 5,569.08 : x
  2. Step 2: Convert to fraction form
    8,924.64/12,313.72 = 5,569.08/x
  3. Step 3: Cross multiply
    8,924.64x = 12,313.72 × 5,569.08
  4. Step 4: Simplify right side
    8,924.64x = 68,576,091.78
  5. Step 5: Solve for x
    x = 68,576,091.78/8,924.64
  6. Step 6: Final answer
    x = 7,683.91

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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.