Home / 7,690.12-10,612.34-4,332.94

Finding the Fourth Proportional to 7,690.12, 10,612.34 and 4,332.94

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Solution

The fourth proportional to 7,690.12, 10,612.34 and 4,332.94 is: 5,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.12 : 10,612.34 = 4,332.94 : x
  2. Step 2: Convert to fraction form
    7,690.12/10,612.34 = 4,332.94/x
  3. Step 3: Cross multiply
    7,690.12x = 10,612.34 × 4,332.94
  4. Step 4: Simplify right side
    7,690.12x = 45,982,632.48
  5. Step 5: Solve for x
    x = 45,982,632.48/7,690.12
  6. Step 6: Final answer
    x = 5,979.44

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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.