Home / 6,247.98-8,621.40-4,012.92

Finding the Fourth Proportional to 6,247.98, 8,621.40 and 4,012.92

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Solution

The fourth proportional to 6,247.98, 8,621.40 and 4,012.92 is: 5,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.98 : 8,621.40 = 4,012.92 : x
  2. Step 2: Convert to fraction form
    6,247.98/8,621.40 = 4,012.92/x
  3. Step 3: Cross multiply
    6,247.98x = 8,621.40 × 4,012.92
  4. Step 4: Simplify right side
    6,247.98x = 34,596,988.49
  5. Step 5: Solve for x
    x = 34,596,988.49/6,247.98
  6. Step 6: Final answer
    x = 5,537.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.