Home / 7,705.20-10,624.64-5,576.52

Finding the Fourth Proportional to 7,705.20, 10,624.64 and 5,576.52

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Solution

The fourth proportional to 7,705.20, 10,624.64 and 5,576.52 is: 7,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.20 : 10,624.64 = 5,576.52 : x
  2. Step 2: Convert to fraction form
    7,705.20/10,624.64 = 5,576.52/x
  3. Step 3: Cross multiply
    7,705.20x = 10,624.64 × 5,576.52
  4. Step 4: Simplify right side
    7,705.20x = 59,248,489.57
  5. Step 5: Solve for x
    x = 59,248,489.57/7,705.20
  6. Step 6: Final answer
    x = 7,689.42

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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.