Home / 7,869.24-10,858.86-4,332.60

Finding the Fourth Proportional to 7,869.24, 10,858.86 and 4,332.60

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Solution

The fourth proportional to 7,869.24, 10,858.86 and 4,332.60 is: 5,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.24 : 10,858.86 = 4,332.60 : x
  2. Step 2: Convert to fraction form
    7,869.24/10,858.86 = 4,332.60/x
  3. Step 3: Cross multiply
    7,869.24x = 10,858.86 × 4,332.60
  4. Step 4: Simplify right side
    7,869.24x = 47,047,096.84
  5. Step 5: Solve for x
    x = 47,047,096.84/7,869.24
  6. Step 6: Final answer
    x = 5,978.61

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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.