Home / 7,525.10-10,386.90-4,872.68

Finding the Fourth Proportional to 7,525.10, 10,386.90 and 4,872.68

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Solution

The fourth proportional to 7,525.10, 10,386.90 and 4,872.68 is: 6,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.10 : 10,386.90 = 4,872.68 : x
  2. Step 2: Convert to fraction form
    7,525.10/10,386.90 = 4,872.68/x
  3. Step 3: Cross multiply
    7,525.10x = 10,386.90 × 4,872.68
  4. Step 4: Simplify right side
    7,525.10x = 50,612,039.89
  5. Step 5: Solve for x
    x = 50,612,039.89/7,525.10
  6. Step 6: Final answer
    x = 6,725.76

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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.