Home / 6,678.02-9,215.29-3,693.66

Finding the Fourth Proportional to 6,678.02, 9,215.29 and 3,693.66

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Solution

The fourth proportional to 6,678.02, 9,215.29 and 3,693.66 is: 5,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.02 : 9,215.29 = 3,693.66 : x
  2. Step 2: Convert to fraction form
    6,678.02/9,215.29 = 3,693.66/x
  3. Step 3: Cross multiply
    6,678.02x = 9,215.29 × 3,693.66
  4. Step 4: Simplify right side
    6,678.02x = 34,038,148.06
  5. Step 5: Solve for x
    x = 34,038,148.06/6,678.02
  6. Step 6: Final answer
    x = 5,097.04

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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.