Home / 7,929.10-10,942.34-4,344.40

Finding the Fourth Proportional to 7,929.10, 10,942.34 and 4,344.40

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Solution

The fourth proportional to 7,929.10, 10,942.34 and 4,344.40 is: 5,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.10 : 10,942.34 = 4,344.40 : x
  2. Step 2: Convert to fraction form
    7,929.10/10,942.34 = 4,344.40/x
  3. Step 3: Cross multiply
    7,929.10x = 10,942.34 × 4,344.40
  4. Step 4: Simplify right side
    7,929.10x = 47,537,901.90
  5. Step 5: Solve for x
    x = 47,537,901.90/7,929.10
  6. Step 6: Final answer
    x = 5,995.37

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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.