Home / 4,243.02-6,363.80-1,123.06

Finding the Fourth Proportional to 4,243.02, 6,363.80 and 1,123.06

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Solution

The fourth proportional to 4,243.02, 6,363.80 and 1,123.06 is: 1,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.02 : 6,363.80 = 1,123.06 : x
  2. Step 2: Convert to fraction form
    4,243.02/6,363.80 = 1,123.06/x
  3. Step 3: Cross multiply
    4,243.02x = 6,363.80 × 1,123.06
  4. Step 4: Simplify right side
    4,243.02x = 7,146,929.23
  5. Step 5: Solve for x
    x = 7,146,929.23/4,243.02
  6. Step 6: Final answer
    x = 1,684.40

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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.