Home / 7,648.81-10,554.11-4,504.57

Finding the Fourth Proportional to 7,648.81, 10,554.11 and 4,504.57

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Solution

The fourth proportional to 7,648.81, 10,554.11 and 4,504.57 is: 6,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.81 : 10,554.11 = 4,504.57 : x
  2. Step 2: Convert to fraction form
    7,648.81/10,554.11 = 4,504.57/x
  3. Step 3: Cross multiply
    7,648.81x = 10,554.11 × 4,504.57
  4. Step 4: Simplify right side
    7,648.81x = 47,541,704.76
  5. Step 5: Solve for x
    x = 47,541,704.76/7,648.81
  6. Step 6: Final answer
    x = 6,215.57

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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.