Home / 8,623.79-12,938.79-4,244.31

Finding the Fourth Proportional to 8,623.79, 12,938.79 and 4,244.31

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Solution

The fourth proportional to 8,623.79, 12,938.79 and 4,244.31 is: 6,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.79 : 12,938.79 = 4,244.31 : x
  2. Step 2: Convert to fraction form
    8,623.79/12,938.79 = 4,244.31/x
  3. Step 3: Cross multiply
    8,623.79x = 12,938.79 × 4,244.31
  4. Step 4: Simplify right side
    8,623.79x = 54,916,235.78
  5. Step 5: Solve for x
    x = 54,916,235.78/8,623.79
  6. Step 6: Final answer
    x = 6,368.00

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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.