Home / 4,538.47-6,808.31-4,457.06

Finding the Fourth Proportional to 4,538.47, 6,808.31 and 4,457.06

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Solution

The fourth proportional to 4,538.47, 6,808.31 and 4,457.06 is: 6,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.47 : 6,808.31 = 4,457.06 : x
  2. Step 2: Convert to fraction form
    4,538.47/6,808.31 = 4,457.06/x
  3. Step 3: Cross multiply
    4,538.47x = 6,808.31 × 4,457.06
  4. Step 4: Simplify right side
    4,538.47x = 30,345,046.17
  5. Step 5: Solve for x
    x = 30,345,046.17/4,538.47
  6. Step 6: Final answer
    x = 6,686.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.