Home / 7,029.81-9,701.64-3,885.93

Finding the Fourth Proportional to 7,029.81, 9,701.64 and 3,885.93

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Solution

The fourth proportional to 7,029.81, 9,701.64 and 3,885.93 is: 5,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.81 : 9,701.64 = 3,885.93 : x
  2. Step 2: Convert to fraction form
    7,029.81/9,701.64 = 3,885.93/x
  3. Step 3: Cross multiply
    7,029.81x = 9,701.64 × 3,885.93
  4. Step 4: Simplify right side
    7,029.81x = 37,699,893.93
  5. Step 5: Solve for x
    x = 37,699,893.93/7,029.81
  6. Step 6: Final answer
    x = 5,362.86

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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.