Home / 7,869.90-10,860.46-4,333.11

Finding the Fourth Proportional to 7,869.90, 10,860.46 and 4,333.11

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Solution

The fourth proportional to 7,869.90, 10,860.46 and 4,333.11 is: 5,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.90 : 10,860.46 = 4,333.11 : x
  2. Step 2: Convert to fraction form
    7,869.90/10,860.46 = 4,333.11/x
  3. Step 3: Cross multiply
    7,869.90x = 10,860.46 × 4,333.11
  4. Step 4: Simplify right side
    7,869.90x = 47,059,567.83
  5. Step 5: Solve for x
    x = 47,059,567.83/7,869.90
  6. Step 6: Final answer
    x = 5,979.69

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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.