Home / 7,869.56-10,860.03-4,332.77

Finding the Fourth Proportional to 7,869.56, 10,860.03 and 4,332.77

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Solution

The fourth proportional to 7,869.56, 10,860.03 and 4,332.77 is: 5,979.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.56 : 10,860.03 = 4,332.77 : x
  2. Step 2: Convert to fraction form
    7,869.56/10,860.03 = 4,332.77/x
  3. Step 3: Cross multiply
    7,869.56x = 10,860.03 × 4,332.77
  4. Step 4: Simplify right side
    7,869.56x = 47,054,012.18
  5. Step 5: Solve for x
    x = 47,054,012.18/7,869.56
  6. Step 6: Final answer
    x = 5,979.24

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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.