Home / 7,725.48-10,653.14-6,610.10

Finding the Fourth Proportional to 7,725.48, 10,653.14 and 6,610.10

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Solution

The fourth proportional to 7,725.48, 10,653.14 and 6,610.10 is: 9,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.48 : 10,653.14 = 6,610.10 : x
  2. Step 2: Convert to fraction form
    7,725.48/10,653.14 = 6,610.10/x
  3. Step 3: Cross multiply
    7,725.48x = 10,653.14 × 6,610.10
  4. Step 4: Simplify right side
    7,725.48x = 70,418,320.71
  5. Step 5: Solve for x
    x = 70,418,320.71/7,725.48
  6. Step 6: Final answer
    x = 9,115.07

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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.