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Finding the Fourth Proportional to 6,701.81, 9,248.72 and 5,020.25

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Solution

The fourth proportional to 6,701.81, 9,248.72 and 5,020.25 is: 6,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,701.81 : 9,248.72 = 5,020.25 : x
  2. Step 2: Convert to fraction form
    6,701.81/9,248.72 = 5,020.25/x
  3. Step 3: Cross multiply
    6,701.81x = 9,248.72 × 5,020.25
  4. Step 4: Simplify right side
    6,701.81x = 46,430,815.24
  5. Step 5: Solve for x
    x = 46,430,815.24/6,701.81
  6. Step 6: Final answer
    x = 6,928.11

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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.