Home / 7,690.13-10,612.88-4,332.62

Finding the Fourth Proportional to 7,690.13, 10,612.88 and 4,332.62

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Solution

The fourth proportional to 7,690.13, 10,612.88 and 4,332.62 is: 5,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.13 : 10,612.88 = 4,332.62 : x
  2. Step 2: Convert to fraction form
    7,690.13/10,612.88 = 4,332.62/x
  3. Step 3: Cross multiply
    7,690.13x = 10,612.88 × 4,332.62
  4. Step 4: Simplify right side
    7,690.13x = 45,981,576.15
  5. Step 5: Solve for x
    x = 45,981,576.15/7,690.13
  6. Step 6: Final answer
    x = 5,979.30

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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.