Home / 7,869.06-10,859.37-4,332.45

Finding the Fourth Proportional to 7,869.06, 10,859.37 and 4,332.45

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Solution

The fourth proportional to 7,869.06, 10,859.37 and 4,332.45 is: 5,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.06 : 10,859.37 = 4,332.45 : x
  2. Step 2: Convert to fraction form
    7,869.06/10,859.37 = 4,332.45/x
  3. Step 3: Cross multiply
    7,869.06x = 10,859.37 × 4,332.45
  4. Step 4: Simplify right side
    7,869.06x = 47,047,677.56
  5. Step 5: Solve for x
    x = 47,047,677.56/7,869.06
  6. Step 6: Final answer
    x = 5,978.82

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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.