Home / 6,654.72-9,186.48-4,267.20

Finding the Fourth Proportional to 6,654.72, 9,186.48 and 4,267.20

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Solution

The fourth proportional to 6,654.72, 9,186.48 and 4,267.20 is: 5,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.72 : 9,186.48 = 4,267.20 : x
  2. Step 2: Convert to fraction form
    6,654.72/9,186.48 = 4,267.20/x
  3. Step 3: Cross multiply
    6,654.72x = 9,186.48 × 4,267.20
  4. Step 4: Simplify right side
    6,654.72x = 39,200,547.46
  5. Step 5: Solve for x
    x = 39,200,547.46/6,654.72
  6. Step 6: Final answer
    x = 5,890.64

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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.