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Finding the Fourth Proportional to 6,747.04, 9,307.74 and 4,388.32

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Solution

The fourth proportional to 6,747.04, 9,307.74 and 4,388.32 is: 6,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.04 : 9,307.74 = 4,388.32 : x
  2. Step 2: Convert to fraction form
    6,747.04/9,307.74 = 4,388.32/x
  3. Step 3: Cross multiply
    6,747.04x = 9,307.74 × 4,388.32
  4. Step 4: Simplify right side
    6,747.04x = 40,845,341.60
  5. Step 5: Solve for x
    x = 40,845,341.60/6,747.04
  6. Step 6: Final answer
    x = 6,053.82

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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.