Home / 7,678.24-10,595.86-4,320.79

Finding the Fourth Proportional to 7,678.24, 10,595.86 and 4,320.79

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Solution

The fourth proportional to 7,678.24, 10,595.86 and 4,320.79 is: 5,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.24 : 10,595.86 = 4,320.79 : x
  2. Step 2: Convert to fraction form
    7,678.24/10,595.86 = 4,320.79/x
  3. Step 3: Cross multiply
    7,678.24x = 10,595.86 × 4,320.79
  4. Step 4: Simplify right side
    7,678.24x = 45,782,532.54
  5. Step 5: Solve for x
    x = 45,782,532.54/7,678.24
  6. Step 6: Final answer
    x = 5,962.63

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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.