Home / 4,623.78-6,931.80-1,700.40

Finding the Fourth Proportional to 4,623.78, 6,931.80 and 1,700.40

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Solution

The fourth proportional to 4,623.78, 6,931.80 and 1,700.40 is: 2,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,623.78 : 6,931.80 = 1,700.40 : x
  2. Step 2: Convert to fraction form
    4,623.78/6,931.80 = 1,700.40/x
  3. Step 3: Cross multiply
    4,623.78x = 6,931.80 × 1,700.40
  4. Step 4: Simplify right side
    4,623.78x = 11,786,832.72
  5. Step 5: Solve for x
    x = 11,786,832.72/4,623.78
  6. Step 6: Final answer
    x = 2,549.18

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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.