Home / 4,687.56-7,030.74-1,225.08

Finding the Fourth Proportional to 4,687.56, 7,030.74 and 1,225.08

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Solution

The fourth proportional to 4,687.56, 7,030.74 and 1,225.08 is: 1,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.56 : 7,030.74 = 1,225.08 : x
  2. Step 2: Convert to fraction form
    4,687.56/7,030.74 = 1,225.08/x
  3. Step 3: Cross multiply
    4,687.56x = 7,030.74 × 1,225.08
  4. Step 4: Simplify right side
    4,687.56x = 8,613,218.96
  5. Step 5: Solve for x
    x = 8,613,218.96/4,687.56
  6. Step 6: Final answer
    x = 1,837.46

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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.