Home / 4,247.02-6,369.80-1,127.06

Finding the Fourth Proportional to 4,247.02, 6,369.80 and 1,127.06

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Solution

The fourth proportional to 4,247.02, 6,369.80 and 1,127.06 is: 1,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.02 : 6,369.80 = 1,127.06 : x
  2. Step 2: Convert to fraction form
    4,247.02/6,369.80 = 1,127.06/x
  3. Step 3: Cross multiply
    4,247.02x = 6,369.80 × 1,127.06
  4. Step 4: Simplify right side
    4,247.02x = 7,179,146.79
  5. Step 5: Solve for x
    x = 7,179,146.79/4,247.02
  6. Step 6: Final answer
    x = 1,690.40

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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.