Home / 6,722.72-9,261.29-4,702.36

Finding the Fourth Proportional to 6,722.72, 9,261.29 and 4,702.36

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Solution

The fourth proportional to 6,722.72, 9,261.29 and 4,702.36 is: 6,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.72 : 9,261.29 = 4,702.36 : x
  2. Step 2: Convert to fraction form
    6,722.72/9,261.29 = 4,702.36/x
  3. Step 3: Cross multiply
    6,722.72x = 9,261.29 × 4,702.36
  4. Step 4: Simplify right side
    6,722.72x = 43,549,933.63
  5. Step 5: Solve for x
    x = 43,549,933.63/6,722.72
  6. Step 6: Final answer
    x = 6,478.02

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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.