Home / 8,916.48-13,383.24-4,302.72

Finding the Fourth Proportional to 8,916.48, 13,383.24 and 4,302.72

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Solution

The fourth proportional to 8,916.48, 13,383.24 and 4,302.72 is: 6,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.48 : 13,383.24 = 4,302.72 : x
  2. Step 2: Convert to fraction form
    8,916.48/13,383.24 = 4,302.72/x
  3. Step 3: Cross multiply
    8,916.48x = 13,383.24 × 4,302.72
  4. Step 4: Simplify right side
    8,916.48x = 57,584,334.41
  5. Step 5: Solve for x
    x = 57,584,334.41/8,916.48
  6. Step 6: Final answer
    x = 6,458.19

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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.